1,1'-[(N-methylanilino)phosphinylidene]bis(aziridine) 1,1'-[(methylphenylamino)phosphinylidene]bis(aziridine) 6784-52-7 MPDP N,N:N',N'-di-1,2-ethandiyl-N''-methyl-N''-phenylPhosphoric triamide NSC39338 Phosphinic amide, P,P-bis(1-aziridinyl)-N-methyl-N-phenyl-