1-Acetyl-2-<1-methyl-piperidyl-(4)>-hydrazin, Essigsaeure-[N'-(1-methyl-[4]piperidyl)-hydrazid], N'-(N-methyl-4-piperidyl)acetohydrazide, acetic acid-[N'-(1-methyl-[4]piperidyl)-hydrazide], 4-(acetylhydrazino)-1-methylpiperidine, acetic acid 2-(1-methyl-4-piperidyl)-hydrazide, acetic acid N'-(1-methyl-piperidin-4-yl)-hydrazide