3-((6-Amino-3,5,5-trimethylhexyl)amino)propiononitrile 68975-79-1 EINECS 273-477-8 N-(2-Cyanoethyl)-3,5,5-trimethylhexane-1,6-diamine Propanenitrile, 3-((6-amino-3,5,5-trimethylhexyl)amino)-