2-Fenil-5-idrossi-1,3,4-triazolo [Italian] 2-Phenyl-1H-1,3,4-triazol-5-ol 3H-1,2,4-Triazol-3-one, 1,2-dihydro-5-phenyl- 4H-1,2,4-Triazol-5-ol, 2-phenyl- 939-07-1 NSC 83337