1,2,4-Triazolidine-3,5-dione, 1-(diphenylmethyl)- 1-Benzhydrylurazole 2-(Diphenylmethyl)bicarbamimide 34877-04-8 5-26-05-00261 (Beilstein Handbook Reference) BRN 0888576 Bicarbamimide, 2-(diphenylmethyl)- UR 54