Pyrazolo
![Pyrazolo [1,5-A] Pyrimidines an Interesting Scaffold for Optical ...](https://lupinepublishers.com/material-science-journal/images/Lupinepublishers-openaccess-material-science-journal.ID.000178.G001.png)
![Chemical structures of pyrazolo [1, 5-a] pyrimidines | Download ...](https://www.researchgate.net/publication/352545322/figure/fig7/AS:1036459775651843@1624122675822/Chemical-structures-of-pyrazolo-1-5-a-pyrimidines.png)
![Pyrazolo [3,4-b]pyridines derivatives PYR 1-5 structures | Download ...](https://www.researchgate.net/publication/319157225/figure/fig2/AS:565352772112384@1511802012594/Pyrazolo-3-4-bpyridines-derivatives-PYR-1-5-structures.png)
![Chemical structures of pyrazolo [1, 5-a] pyrimidines | Download ...](https://www.researchgate.net/publication/352545322/figure/fig10/AS:1036459775647747@1624122675899/Chemical-structures-of-pyrazolo-1-5-a-pyrimidines.png)
![Biologically active pyrazolo [1, 5-a] pyridines. | Download Scientific ...](https://www.researchgate.net/profile/Chandra-Mohan-28/publication/275412467/figure/fig2/AS:667117460414474@1536064605933/Biologically-active-pyrazolo-1-5-a-pyridines_Q320.jpg)
![General synthesis of pyrazolo [1,5-a] pyrimidines compounds 4a–4k ...](https://www.researchgate.net/publication/336121417/figure/download/fig4/AS:963460854734848@1606718376304/General-synthesis-of-pyrazolo-1-5-a-pyrimidines-compounds-4a-4k-Reagents-and.png)
![Scheme 22. Synthesis of pyrazolo (a) [3,4-d]pyrimidines, (b ...](https://www.researchgate.net/publication/363096385/figure/fig5/AS:11431281081676599@1661871445976/Scheme-22-Synthesis-of-pyrazolo-a-3-4-dpyrimidines-b-4-3-dpyrimidines-and-c.png)
![Chemical structures of pyrazolo [3, 4-d] pyrimidines | Download ...](https://www.researchgate.net/publication/352545322/figure/fig11/AS:1036459775631370@1624122675931/Chemical-structures-of-pyrazolo-3-4-d-pyrimidines.png)
![Structure of a pyrazolo-[3,4-d]-pyrimidine. | Download Scientific Diagram](https://www.researchgate.net/profile/Marco-Radi/publication/49678134/figure/fig13/AS:339909450715170@1458052136838/Structure-of-a-pyrazolo-3-4-d-pyrimidine.png)
![Examples of pyrazolo[1,5-a]pyrimidine drugs (I–V) and biologically ...](https://www.researchgate.net/publication/327078423/figure/fig1/AS:962165238415404@1606409477861/Examples-of-pyrazolo1-5-apyrimidine-drugs-I-V-and-biologically-active-substituted.png)
![Anti-Inflammatory Activity of Pyrazolo[1,5-a]quinazolines](https://www.mdpi.com/molecules/molecules-29-02421/article_deploy/html/images/molecules-29-02421-g001.png)
![(PDF) The synthesis of pyrazolo[5,1-c][1,2,4]triazoles. Part 2: From ...](https://i1.rgstatic.net/publication/358602560_The_synthesis_of_pyrazolo51-c124triazoles_Part_2_From_bicyclic_precursors_Annulated_pyrazolo51-c124triazoles/links/6429c56d315dfb4ccec86347/largepreview.png)
![Pyrazolo[1,5-a]pyridine-3-carbothioamide AldrichCPR | Sigma-Aldrich](https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/structures/116/843/f7b4bf5c-683e-472c-9da5-199d68688c77/640/f7b4bf5c-683e-472c-9da5-199d68688c77.png)
![Synthesis of 5-alkynyl-3-phenyl pyrazolo[1,5-a]pyrimidines 13a–c ...](https://www.researchgate.net/publication/348216692/figure/fig1/AS:11431281184773429@1693444100277/Convergent-approach-to-arylation-of-fluorinated-pyrazolo1-5-apyrimidine-and-fluorinated_Q640.jpg)
![Example of marketed drugs with pyrazolo[1,5-a]pyrimidine core ...](https://www.researchgate.net/publication/339236800/figure/download/fig1/AS:858108624642048@1581600447295/Example-of-marketed-drugs-with-pyrazolo1-5-apyrimidine-core.png)
![Synthesis of 3,5-diarylated pyrazolo[1,5-a]pyrimidines 11a–h | Download ...](https://mavink.com/images/loadingwhitetransparent.gif)
![Advances in pyrazolo[1,5-a]pyrimidines: synthesis and their role as ...](https://pubs.rsc.org/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D4RA07556K&imageInfo.ImageIdentifier.Year=2025)
![Preliminary SAR of pyrazolo[1,5-a]pyrimidine analogues. | Download ...](https://www.researchgate.net/publication/366610523/figure/fig3/AS:11431281115167343@1674786925257/Preliminary-SAR-of-pyrazolo1-5-apyrimidine-analogues.png)
![Functional Pyrazolo[1,5-a]pyrimidines | Encyclopedia MDPI](https://encyclopedia.pub/media/item_content/202105/609cbce91bff9molecules-26-02708-g001-550.jpg)
![Sequential reduction of pyrazolo[1,5-a]pyrimidines | Download ...](https://www.researchgate.net/publication/372741789/figure/fig5/AS:11431281184585129@1693392796060/Sequential-reduction-of-pyrazolo1-5-apyrimidines_Q320.jpg)
![Pyrazolo[1,5-b]pyridazine deriv. 21 | C16H11N7O2 | CID 6539363 - PubChem](https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?cid=6539363&t=l)
![Scheme 39 Synthesis of pyrazolo[1,5-a]pyrimidines 131 and... | Download ...](https://www.researchgate.net/publication/372501313/figure/fig2/AS:11431281176471039@1690184768208/Scheme-39-Synthesis-of-pyrazolo1-5-apyrimidines-131-and-pyrazolo5-1-ctriazines-133.png)
![Examples of biologically active pyrazolo[1,5-a]pyrimidines | Download ...](https://www.researchgate.net/publication/317263449/figure/fig1/AS:11431281190325362@1695294661967/Examples-of-biologically-active-pyrazolo1-5-apyrimidines_Q320.jpg)
![Pyrazolo[1,5-a]pyrimidines structures as anticancer agents | Download ...](https://www.researchgate.net/publication/354203547/figure/fig2/AS:11431281118026463@1675654388116/Pyrazolo1-5-apyrimidines-structures-as-anticancer-agents.png)
![Structures of pyrazolo-[1,5-a]pyridine as A1 AR antagonists. | Download ...](https://www.researchgate.net/profile/Stephanie-Federico/publication/233852612/figure/fig11/AS:669634986536970@1536664830276/Structures-of-pyrazolo-triazolo-pyrimidines-as-A-2A-AR-antagonists_Q640.jpg)
![Synthesis of pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidines ...](https://www.researchgate.net/publication/329718309/figure/fig2/AS:960004324593700@1605894275891/Synthesis-of-pyrazolo1-5-c-1-2-4-triazolo4-3-apyrimidines_Q640.jpg)
![Synthesis of pyrazolo[1,5-a]pyrimidines (12a,b) | Download Scientific ...](https://www.researchgate.net/publication/299575443/figure/fig7/AS:963546829570073@1606738874801/Synthesis-of-pyrazolo1-5-apyrimidines-12a-b.gif)
![Structures of pyrazolo-[1,5-a]pyridine as A1 AR antagonists. | Download ...](https://www.researchgate.net/profile/Stephanie-Federico/publication/233852612/figure/fig5/AS:324108597383175@1454284919262/Structures-of-pyrazolo-1-5-apyridine-as-A1-AR-antagonists.png)
![Scheme 1. Synthesis of pyrazolo[1,5-a]quinazolin-4(5H)-ones and ...](https://www.researchgate.net/publication/331947058/figure/fig1/AS:739073044008963@1553220153737/Scheme-1-Synthesis-of-pyrazolo1-5-aquinazolin-45H-ones-and.png)
![General structures of pyrazolo[1,5-a]pyrimidines 1 a and... | Download ...](https://www.researchgate.net/publication/359751450/figure/fig1/AS:1184638630412290@1659451267642/General-structures-of-pyrazolo1-5-apyrimidines-1-a-and-imidazo1-2-bpyridazines-2-a-as_Q320.jpg)
![Synthesis of Pyrazolo-[1,5-c]quinazolines a,b | Download Scientific Diagram](https://www.researchgate.net/profile/Yellaiah-Tangella/publication/340330611/figure/tbl1/AS:1063936120078336@1630673546349/Synthesis-of-Pyrazolo-1-5-cquinazolines-a-b_Q640.jpg)
![Synthesis of Pyrazolo-[1,5-c]quinazolines a,b | Download Scientific Diagram](https://www.researchgate.net/profile/Yellaiah-Tangella/publication/340330611/figure/tbl1/AS:1063936120078336@1630673546349/Synthesis-of-Pyrazolo-1-5-cquinazolines-a-b.png)
![Scheme 40: Synthesis of pyrazolo[1,5-a]pyrimidines from condensation of ...](https://www.researchgate.net/publication/322705695/figure/fig6/AS:586862536187910@1516930340864/Scheme-40-Synthesis-of-pyrazolo1-5-apyrimidines-from-condensation-of-5-aminopyrazole.png)
![Synthesis of 3-halo pyrazolo[1,5-a]pyrimidin-5-ones 4a and 4b ...](https://www.researchgate.net/publication/348216692/figure/fig3/AS:11431281184755756@1693444101021/Synthesis-of-3-arylatedheteroarylated-pyrazolo1-5-apyrimidin-5-ones-by-Suzuki-Miyaura_Q320.jpg)
![Scheme 57. Synthesis of pyrazolo[1,5-a]pyrimidines with potential ...](https://www.researchgate.net/publication/351357079/figure/fig15/AS:1020360946360336@1620284415573/Scheme-57-Synthesis-of-pyrazolo1-5-apyrimidines-with-potential-activity-against.png)
![Proposed mechanism for the synthesis of pyrazolo[3,4-b]pyridine ...](https://www.researchgate.net/publication/362795901/figure/fig10/AS:11431281079956796@1660964201793/Proposed-mechanism-for-the-synthesis-of-pyrazolo3-4-bpyridine-derivatives-using.png)
![Pyrazolo[1,5-a]pyrimidine with (a) the constituent rings and (b) the ...](https://www.researchgate.net/profile/Andres-Julian-Arias-Gomez/publication/351357079/figure/fig1/AS:1020360946372608@1620284415017/Pyrazolo1-5-apyrimidine-with-a-the-constituent-rings-and-b-the-modified-periphery.png)
![Scheme 3: Synthesis of pyrido[2 í® í° ,3 í® í° :3,4]pyrazolo[5,1-c][1 ...](https://www.researchgate.net/profile/Mohamed-Fares-5/publication/272025868/figure/fig3/AS:391875891613698@1470441901544/Scheme-3-Synthesis-of-pyrido2-iR-i-3-iR-i-3-4pyrazolo5-1-c1-2-4triazines.png)
![Synthesis and vectorial functionalisation of pyrazolo[3,4- c ]pyridines ...](https://pubs.rsc.org/image/article/2023/ra/d3ra07458g/d3ra07458g-f1_hi-res.gif)
![Structure of pyrazolo[3,4-d]pyrimidine 1294 1 and structure of ...](https://www.researchgate.net/profile/Donald-Seanego/publication/363602983/figure/fig1/AS:11431281097040999@1668429381000/Structure-of-pyrazolo3-4-dpyrimidine-1294-1-and-structure-of-pyrrolo2-3-dpyrimidines_Q320.jpg)
![Chemical structures of pyrazolo[3,4-d]pyrimidine derivative (32)and its ...](https://www.researchgate.net/publication/346489743/figure/fig5/AS:963551422316544@1606739969384/Chemical-structures-of-pyrazolo3-4-dpyrimidine-derivative-32and-its-binding-mode.png)
![Pyrazolo[1,5-a]pyridine-3-carboxamide | C8H7N3O | CID 12782923 - PubChem](https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?cid=12782923&t=l)
![Interaction of the pyrazolo[3,4-b]pyridine core with the hinge region ...](https://www.researchgate.net/publication/374752628/figure/fig1/AS:11431281199317200@1697564736785/Interaction-of-the-pyrazolo3-4-bpyridine-core-with-the-hinge-region-of-kinases-A_Q320.jpg)
![Synthesis of Diversified Pyrazolo[3,4-b]pyridine Frameworks from 5 ...](https://www.mdpi.com/molecules/molecules-27-06381/article_deploy/html/images/molecules-27-06381-sch002.png)
![Pyrazolo[3,4-b]pyridine, indeno[1,2-e]pyridine and their combined-fused ...](https://www.researchgate.net/publication/335493549/figure/fig1/AS:11431281187385270@1694189420128/Pyrazolo3-4-bpyridine-indeno1-2-epyridine-and-their-combined-fused-derivatives-The_Q640.jpg)
![Synthesis of some new pyrazolo[1,5-a]pyrimidine, pyrazolo[5,1-c ...](https://europepmc.org/articles/PMC5468179/bin/13065_2017_282_Sch1_HTML.jpg)
![Proposed mechanism for the synthesis of pyrazolo[3,4-b]pyridines ...](https://www.researchgate.net/publication/329668979/figure/fig52/AS:961899265011757@1606346064669/Proposed-mechanism-for-the-synthesis-of-pyrazolo3-4-bpyridines.png)
![Example of marketed drugs with pyrazolo[1,5-a]pyrimidine core ...](https://www.researchgate.net/publication/339236800/figure/fig1/AS:858108624642048@1581600447295/Example-of-marketed-drugs-with-pyrazolo1-5-apyrimidine-core_Q320.jpg)
![Chemical structures of pyrazolo[3,4-c]carbazole 24 and... | Download ...](https://www.researchgate.net/profile/Marc-Le-Borgne/publication/334606820/figure/fig7/AS:783452274167814@1563800986330/Chemical-structures-of-pyrazolo3-4-ccarbazole-24-and-pyrazolo4-3-ccarbazole-25.png)
![Pyrazolo[1,5-a]pyridine-3-carboxylic acid, 97%, Thermo Scientific 250 ...](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-16205-46-2.jpg-650.jpg)
![Structures of the antimicrobial pyrazolo[1,5-a]pyrimidines and the ...](https://www.researchgate.net/publication/318636433/figure/fig1/AS:960004307816448@1605894271038/Structures-of-the-antimicrobial-pyrazolo1-5-apyrimidines-and-the-target.gif)
![Synthesis of pyrazolo[5′,1′:2,3]pyrimido[4,5‐b]quinoline‐5,7‐diones 6 a ...](https://www.researchgate.net/publication/368889754/figure/fig4/AS:11431281181913662@1692211267677/Synthesis-of-pyrazolo5-12-3pyrimido4-5-bquinoline-5-7-diones-6a-d.png)
![Pyrazolo[1,5-a]pyrimidine-based drug candidates. | Download Scientific ...](https://www.researchgate.net/publication/363401571/figure/fig1/AS:11431281083660878@1662713874723/Pyrazolo1-5-apyrimidine-based-drug-candidates_Q320.jpg)
![Discovery of pyrazolo[3,4- d ]pyrimidine and pyrazolo[4,3- e ][1,2,4 ...](https://pubs.rsc.org/image/article/2022/ra/d2ra01968j/d2ra01968j-f1_hi-res.gif)
![Functional Pyrazolo[1,5-a]pyrimidines: Current Approaches in Synthetic ...](https://pub.mdpi-res.com/molecules/molecules-26-02708/article_deploy/html/images/molecules-26-02708-sch022.png?1620379823)
![Synthesis of New Pyrazolo[1,5-a]pyrimidines as Potential Antibacterial ...](https://xpic.x-mol.com/20230503/10.1002_slct.202300487.jpg)
![Synthesis of pyrazolo[3,4-b]pyridine-6,8-dihydro-1,7-phenanthroline and ...](https://www.researchgate.net/publication/365472021/figure/fig1/AS:11431281184726896@1693429728143/Synthesis-of-pyrazolo3-4-bpyridine-6-8-dihydro-1-7-phenanthroline-and-its_Q320.jpg)
![Structural versatility of pyrazolo[1,5-a]pyrimidine-based N ...](https://www.researchgate.net/publication/346604445/figure/fig1/AS:11431281186718650@1694013296618/Structural-versatility-of-pyrazolo1-5-apyrimidine-based-N-heterocycles_Q640.jpg)
![Advances in pyrazolo[1,5- a ]pyrimidines: synthesis and their role as ...](https://pubs.rsc.org/image/article/2025/RA/d4ra07556k/d4ra07556k-u1_hi-res.gif)
![Advances in pyrazolo[1,5-a]pyrimidines: synthesis and their role as ...](https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afc0/11795850/fd3a805d547e/d4ra07556k-u2.jpg)
![Synthesis of pyrazolo[1,2-b]phthalazine-5,10-dionesa | Download ...](https://www.researchgate.net/publication/365449121/figure/tbl1/AS:11431281099409746@1669260021216/Synthesis-of-pyrazolo1-2-bphthalazine-5-10-dionesa_Q320.jpg)
![D-π-A-Type Pyrazolo[1,5-a]pyrimidine-Based Hole-Transporting Materials ...](https://pub.mdpi-res.com/materials/materials-15-07992/article_deploy/html/images/materials-15-07992-ag.png?1668917929)
![Synthesis of Diversified Pyrazolo[3,4-b]pyridine Frameworks from 5 ...](https://www.mdpi.com/molecules/molecules-27-06381/article_deploy/html/images/molecules-27-06381-g001.png)
![Functional Pyrazolo[1,5-a]pyrimidines: Current Approaches in Synthetic ...](https://www.mdpi.com/molecules/molecules-26-02708/article_deploy/html/images/molecules-26-02708-sch003-550.jpg)
![Scheme 1 The pathway for the synthesis of pyrazolo[3,4-b]pyridine ...](https://www.researchgate.net/publication/367069085/figure/fig2/AS:11431281112767865@1673533623189/Scheme-1-The-pathway-for-the-synthesis-of-pyrazolo3-4-bpyridine-frames-A-previous_Q320.jpg)
![Synthesis of triazole-linked glucohybrids of pyrazolo[1,5-a]pyrimidines ...](https://www.researchgate.net/publication/377157646/figure/fig5/AS:11431281215941969@1704427947745/Synthesis-of-triazole-linked-glucohybrids-of-pyrazolo1-5-apyrimidines-9a-9i-Reagents_Q640.jpg)
![Pyrazolo[1, 5-a]pyridine compound, and preparation method and ...](https://images-eureka.patsnap.com/patent_img/c1a6f095-459c-4f92-ba4d-d0b57e7c9780/FDA0002313107570000011.png)
![Synthesis of pyrazolo[1,2-b]phthalazine-diones and pyrazolophthalazinyl ...](https://www.researchgate.net/publication/365449121/figure/fig3/AS:11431281099409745@1669260021063/Synthesis-of-pyrazolo1-2-bphthalazine-diones-and-pyrazolophthalazinyl-quinolines-using_Q640.jpg)
![Propargylation of pyrazolo[1,5-a]pyrimidin-7-ol derivatives. Reagent ...](https://www.researchgate.net/publication/377157646/figure/fig4/AS:11431281215941968@1704427947482/Propargylation-of-pyrazolo1-5-apyrimidin-7-ol-derivatives-Reagent-and-condition_Q640.jpg)
![Scheme 1. Synthesis of new pyrazolo[3,4-b]pyridine compounds 3a,b-5a,b ...](https://www.researchgate.net/publication/361709247/figure/fig2/AS:11431281122639202@1677490397356/Scheme-1-Synthesis-of-new-pyrazolo3-4-bpyridine-compounds-3a-b-5a-b.png)
![Functional Pyrazolo[1,5-a]pyrimidines: Current Approaches in Synthetic ...](https://pub.mdpi-res.com/molecules/molecules-26-02708/article_deploy/html/images/molecules-26-02708-sch001.png?1620379823)
![Synthesis of Diversified Pyrazolo[3,4-b]pyridine Frameworks from 5 ...](https://www.mdpi.com/molecules/molecules-27-06381/article_deploy/html/images/molecules-27-06381-sch001.png)
![Functional Pyrazolo[1,5-a]pyrimidines: Current Approaches in Synthetic ...](https://pub.mdpi-res.com/molecules/molecules-26-02708/article_deploy/html/images/molecules-26-02708-sch016.png?1620379823)
![Structures of pyrazolo[3,4-d]pyrimidines 1–4. | Download Scientific Diagram](https://www.researchgate.net/profile/David-Colecchia-2/publication/295689337/figure/fig1/AS:334436718661646@1456747335812/Structures-of-pyrazolo3-4-dpyrimidines-1-4_Q640.jpg)
![a Chemical structures of pyrazolo[3,4-d]pyrimidines with no linker: 1 ...](https://www.researchgate.net/publication/274064679/figure/fig5/AS:668638851903489@1536427333426/a-Chemical-structures-of-pyrazolo3-4-dpyrimidines-with-no-linker-1.png)
![Tested pyrazolo[1,5-a][1,3,5]triazines. | Download Scientific Diagram](https://www.researchgate.net/profile/Martin-Estrada-Valencia/publication/286159631/figure/fig2/AS:613934855884817@1523384884974/Tested-pyrazolo1-5-a1-3-5triazines_Q640.jpg)
![Scheme 61. Synthesis of pyrazolo[3,4-b]-pyridine 223 and... | Download ...](https://www.researchgate.net/profile/Ghada-Emad-Alden-2/publication/263066978/figure/fig4/AS:1134378063282186@1647468214277/Scheme-61-Synthesis-of-pyrazolo3-4-b-pyridine-223-and-triazolol-5apyridine-224.png)
![Synthesis of 4-amino-pyrazolo[3,4-d] pyrimidines. | Download Scientific ...](https://www.researchgate.net/publication/362729614/figure/fig12/AS:11431281122905015@1677585219546/Synthesis-of-4-amino-pyrazolo3-4-d-pyrimidines.jpg)
![1H-Pyrazolo[3,4-b]pyridines: Synthesis and Biomedical Applications](https://www.mdpi.com/molecules/molecules-27-02237/article_deploy/html/images/molecules-27-02237-g014-550.jpg)
![Synthesis of Diversified Pyrazolo[3,4-b]pyridine Frameworks from 5 ...](https://www.mdpi.com/molecules/molecules-27-06381/article_deploy/html/images/molecules-27-06381-sch008.png)
![Synthesis of pyrazolo[5′,1′:2,3]imidazo[1,5- c ]quinazolin-6(5 H )-ones ...](https://pubs.rsc.org/image/article/2022/ra/d2ra03179e/d2ra03179e-u59_hi-res.gif)
![Structures of pyrazolo-[3,4-d]pyrimidines as A2A AR antagonists ...](https://www.researchgate.net/profile/Stephanie-Federico/publication/233852612/figure/fig8/AS:328305191473167@1455285465879/Structures-of-pyrazolo-3-4-dpyrimidines-as-A2A-AR-antagonists.png)
![Pyrazolo[1,5-a]pyrazine-5(4H)-carboxylic acid, 6,7-dihydro ...](https://www.chemicalbook.com/CAS/20210305/GIF/2288906-34-1.gif)
![(PDF) Pyrazolo[3,4-b]pyridine in heterocyclic synthesis: synthesis of ...](https://i1.rgstatic.net/publication/237846529_Pyrazolo34-bpyridine_in_heterocyclic_synthesis_synthesis_of_new_pyrazolo34-bpyridines_imidazo1'2'15pyrazolo34-bpyridines_and_pyrido2'3'34pyrazolo15-apyrimidines/links/554002920cf2320416eceba5/largepreview.png)
![Pyrazolo[3,4-d]pyrimidine ribonucleosides as anticoccidials. 3 ...](https://image.thum.io/get/ogImage/https://scite.ai/reports/pyrazolo-3-4-d-pyrimidine-ribonucleosides-as-anticoccidials-3-XygOW9?bannerClosed=true&onboardingOff=true&paywallOff=true)
![eMolecules PYRAZOLO[1,5-A]PYRIDIN-2-OL | 59942-87-9 | MFCD19441798 | 1g ...](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502144210.JPG-650.jpg)
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![Synthesis of pyrazolo[4,3-c]quinolones 60 | Download Scientific Diagram](https://www.researchgate.net/publication/355656101/figure/fig64/AS:1184083099041922@1659318818979/Synthesis-of-pyrazolo4-3-cquinolones-60.png)
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