1-(2-(Bis(1-aziridinyl)phosphinyl)vinyl)-3-phenylurea 5-20-01-00102 (Beilstein Handbook Reference) 54948-22-0 BRN 1593169 N-(2-(Diethylenediamidophosphonyl)vinyl)-N'-phenylurea Phosphine oxide, bis(1-aziridinyl)((3-phenylureido)vinyl)- Urea, 1-(2-(bis(1-aziridinyl)phosphinyl)vinyl)-3-phenyl-