1,2,4-Triazin-3(2H)-one, 5,6-diphenyl- (9CI) 34177-12-3 4512-00-9 5,6-Diphenyl-1,2,4-triazin-3(2H)-one 5,6-Diphenyl-as-triazin-3(2H)-one 5,6-Diphenyl-as-triazin-3-ol AI3-15232 EINECS 224-833-6 as-TRIAZIN-3-OL, 5,6-DIPHENYL- as-Triazin-3(2H)-one, 5,6-diphenyl- (8CI)