1,2,4-Triazolidine-3,5-dione, 1,4-diethyl-2-phenyl- 34874-13-0 5-26-05-00249 (Beilstein Handbook Reference) BRN 0226629 Bicarbamimide, N,2-diethyl-3-phenyl- N,2-Diethyl-3-phenylbicarbamimide UR 58