1,2-Ethanediamine, N-butyl-N',N'-diethyl-N-(1-naphthalenylmethyl)- 50341-72-5 BRN 2743794 Ethylenediamine, N-butyl-N',N'-diethyl-N-(1-naphthylmethyl)- N-Butyl-N',N'-diethyl-N-(1-naphthalenylmethyl)-1,2-ethanediamine