Not Less Than - 95%
Ethyl 6-(4-aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate; Ethyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5-dihydropyrazolo[3,4-c]pyridine-3-carboxylate