1,2,4-Triazolidine-3,5-dione, 1-(1-methylpropyl)-2-phenyl- 2-sec-Butyl-3-phenylbicarbamimide 34873-81-9 5-26-05-00250 (Beilstein Handbook Reference) BRN 0887663 Bicarbamimide, 2-sec-butyl-3-phenyl- UR 56