Hydrochloric Acid → 3-(2-methylpyridin-4-yl)-1-trityl-1H-indazole-5-carboxylic acid

Reaction equation

[CH3:1][C:2]1[CH:7]=[C:6]([C:8]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([C:17]([O:19]CC)=[O:18])[CH:15]=3)[N:10]([C:22]([C:35]3[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=3)([C:29]3[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=3)[C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[N:9]=2)[CH:5]=[CH:4][N:3]=1.CO.[OH-].[Na+].Cl>C(O)(C)C.C(Cl)(Cl)Cl>[CH3:1][C:2]1[CH:7]=[C:6]([C:8]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([C:17]([OH:19])=[O:18])[CH:15]=3)[N:10]([C:22]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)([C:35]3[CH:36]=[CH:37][CH:38]=[CH:39][CH:40]=3)[C:29]3[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=3)[N:9]=2)[CH:5]=[CH:4][N:3]=1