英文别名4-phenyl-1H-1,2,4-triazol-5-one; 4,5-Dihydro-5-oxo-4-phenyl-1H-1,2,4-triazole; 3H-1,2,4-Triazol-3-one, 2,4-dihydro-4-phenyl-; 4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one; 4-phenyl-2,4-dihydro-[1,2,4]triazol-3-one; phenyldihydrotriazolone; 4-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-one; 4-phenyl-1,2,4-triazolin-5-one 
