1,2,4-Triazolidine-3,5-dione, 4-phenyl- 15988-11-1 4-Phenyl-1,2,4-triazolidine-3,5-dione 4-Phenylurazole Bicarbamimide, N-phenyl- EINECS 240-127-0 NSC 93432 Urazole, 4-phenyl-