1,1'-Hexamethylenebis(N,N-diethylnipecotamide) 1,6-Bdcph 1,6-Bis(3-(N,N-diethylcarbamoyl)piperidino)hexane 1060-82-8 7259-61-2 Nipecotamide, 1,1'-hexamethylenebis(N,N-diethyl-