1,2,4-Triazolidine-3,5-dione, 1-cyclopentyl-2-phenyl- 2-Cyclopentyl-3-phenylbicarbamimide 34873-86-4 5-26-05-00251 (Beilstein Handbook Reference) BRN 0886521 Bicarbamimide, 2-cyclopentyl-3-phenyl- UR 63