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- 74037-32-4 NSC87586 WLN: T56 BNN GNJ CR& DZ FQ HQ