Hydrochloric Acid → 4-hydroxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid

Reaction equation

[CH2:1]([CH3:2])[O:3][C:4](=[O:5])[c:6]1[c:7]([OH:24])[c:8]2[c:9]([n:10][cH:11]1)[n:12]([CH2:15][c:16]1[cH:17][cH:18][c:19]([O:22][CH3:23])[cH:20][cH:21]1)[n:13][cH:14]2.[CH3:28][CH2:29][OH:30].[ClH:27].[Na+:26].[OH-:25]>>[O:3]=[C:4]([OH:5])[c:6]1[c:7]([OH:24])[c:8]2[c:9]([n:10][cH:11]1)[n:12]([CH2:15][c:16]1[cH:17][cH:18][c:19]([O:22][CH3:23])[cH:20][cH:21]1)[n:13][cH:14]2