The molecule is a member of triazoles and a heteroaryl hydroxy compound. It is a tautomer of a 1-phenyl-1,2-dihydro-3H-1,2,4-triazol-3-one. It derives from a hydride of a 1-phenyl-1H-1,2,4-triazole.
2-phenyl-1H-1,2,4-triazol-5-one