1-Aziridinylbis(dimethylamino)phosphine oxide 1195-67-1 NSC85331 P-1-Aziridinyl-N,N,N',N'-tetramethylaminophosphine oxide P-1-Aziridinyl-N,N,N',N'-tetramethylphosphonic diamide Phosphonic diamide, P-1-aziridinyl-N,N,N',N'-tetramethyl- p-1-Aziridinyl-N,N,N',N'-tetramethylphosphine oxide