(C12-C18) N-Alkylpropylenediamine 1-(Alkyl amino)-3-aminopropane 68155-37-3 Amines, N-C12-18-alkyltrimethylenedi- EINECS 268-957-9 N-(C12-C18)Alkyl propylenediamine N-C12-18-Alkyltrimethylenediamines