2H-Pyrazolo(4,3-C)pyridine-4,6-diol, 3-amino-2-phenyl- 3-Amino-2-phenyl-2H-pyrazolo(4,3-C)pyridine-4,6-diol 4H-Pyrazolo(4,3-c)pyridin-4-one, 3-amino-2,5-dihydro-6-hydroxy-2-phenyl- (9CI) 74037-32-4 NSC 87586