反-N,N,N',N'-四甲基-2-丁烯-1,4-二胺

Tetraethyl 2-butene-1,4-diphosphonate

(E)-N,N,N',N'-tetraethylbut-2-ene-1,4-diamine

丁烯二醇

2-丁烯-1,4-二醇