Not Less Than - 95%
1H-Pyrazolo[3,4-c]pyridine-3-carboxylic acid, 6-[4-[(5-bromo-1-oxopentyl)amino]phenyl]-4,5,6,7-tetrahydro-1-
(4-methoxyphenyl)-7-oxo-, ethyl ester; Ethyl 6-[4-[(5-bromo-1-oxopentyl)amino]phenyl]-4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxylate; Ethyl 6-[4-(5-bromopentanamido)phenyl]-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1Hpyrazolo[3,4-c]pyridine-3-carboxylate