3-((3-(Dimethylamino)propyl)amino)propanenitrile 3-((3-(Dimethylamino)propyl)amino)propiononitrile 69852-45-5 Araldite ZD429 EINECS 274-159-1 N,N-Dimethyl-N'-cyanoethyl-1,3-diaminopropane N-(2-Cyanoethyl)-3-(dimethylamino)propylamine Propanenitrile, 3-((3-(dimethylamino)propyl)amino)-