1,7-Dihydro-6H-purin-6-one hydrazone 5404-86-4 6-Hydrazino-1H-purine 6-Hydrazinopurine 6H-Purin-6-one, 1,7-dihydro-, hydrazone (9CI) N-Aminoadenine NSC 7354 Purine, 6-hydrazino-