Synonyms: 2,3-Butanediol,1,4-bis[(2-chloroethyl)amino]-, dihydrochloride, meso- (8CI); Erythritol,1,4-bis[(2-chloroethyl)amino]-1,4-dideoxy-, dihydrochloride (6CI); NSC 39073;NSC 44435; meso-1,4-Bis[(2-chloroethyl)amino]-1,4-dideoxyerythritoldihydrochloride