53620-54-5 EINECS 258-666-5 N,N'-(Ethane-1,2-diylbis(iminoethane-1,2-diyl))distearamide Octadecanamide, N,N'-(1,2-ethanediylbis(imino-2,1-ethanediyl))bis- Triethylenetetramine distearamide