3-Piperidinecarboxamide, N,N'-1,2-ethanediylbis(N-butyl-1-methyl- 40576-27-0 5-22-01-00238 (Beilstein Handbook Reference) BRN 0450121 N,N'-Dibutyl-N,N'-bis(1-methyl-3-piperidylcarbonyl)ethylenediamine N,N'-Ethylenebis(N-butyl-1-methylnipecotamide) Nipecotamide, N,N'-ethylenebis(N-butyl-1-methyl-