N,N,N',N'-TETRAMETHYL-1,4-DIAMINO-2-BUTENE

N,N,N',N'-TETRAMETHYL-2-BUTENE-1,4-DIAMINE

n,n’,n’-tetramethyl-4-diamin(e)-2-butene-n

(E)-N,N,N',N'-Tetramethyl-2-butene-1,4-diamine

(E)-N,N,N',N'-TETRAMETHYL-BUT-2-ENE-1,4-DIAMINE

TRANS-N,N,N',N'-TETRAMETHYL-2-BUTENE-1,4-DIAMINE