1,4-BUTANEDIAMINE, N,N'-BIS(2-CHLOROETHYL)-N,N'-DIMETHYL-, N,N'-DIOXIDE 100991-86-4 4-04-00-01285 (Beilstein Handbook Reference) BRN 1712109 N,N'-Bis(2-chloroethyl)-N,N'-dimethyl-1,4-butanediamine N,N'-dioxide