1,2,4-Triazine-3(2H)-thione, 5,6-diphenyl- (9CI) 1,2,4-Triazine-3(4H)-thione, 5,6-diphenyl- 37469-24-2 5,6-Diphenyl-1,2,4-triazine-3-thiol 5,6-Diphenyl-as-triazine-3(2H)-thione 56223-64-4 7338-79-6 NSC 149017 as-TRIAZINE-3(2H)-THIONE, 5,6-DIPHENYL- as-Triazine-3-thiol, 5,6-diphenyl- as-Triazine-3-thiol, 5,6-diphenyl- (8CI)