1,2-Butanediamine, N',N'-dimethyl-N-phenyl- 1,2-Butanediamine, N(sup 2),N(sup 2)-dimethyl-N(sup 1)-phenyl- 55-71-0 BRN 4133633 FC 479 N',N'-Dimethyl-N-phenyl-1,2-butanediamine N,N-Dimethyl-alpha-ethyl-N'-phenylethylenediamine