1-(Di(1-aziridinyl)phosphinyl)-3-(5,6-dimethoxy-4-pyrimidinyl)urea 65101-40-8 N-Diethylenediamidophosphinyl-N'-5,6-dimethoxypyrimidyl-4-urea Urea, 1-(di(1-aziridinyl)phosphinyl)-3-(5,6-dimethoxy-4-pyrimidinyl)-