1,2-Ethanediamine, N,N,N',N'-tetrakis(2-chloroethyl)- 3-04-00-00515 (Beilstein Handbook Reference) 64253-10-7 BRN 1767456 ETHYLENEDIAMINE, N,N,N',N'-TETRAKIS(2-CHLOROETHYL)- N,N,N',N'-Tetrakis(2-chloroethyl)ethylenediamine