methyl 4-{[1-(1-azepanylcarbonyl)-2-(tert-butoxycarbonyl)hydrazino]methyl}-1-piperidinecarboxylate

methyl 4-{[1-(1-azepanylcarbonyl)hydrazino]methyl}-1-piperidinecarboxylate

tert-butyl (4-{[1-(1-azepanylcarbonyl)-2-(2-naphthylsulfonyl)hydrazino]methyl}-1-piperidinyl)[(tert-butoxycarbonyl)amino]methylidenecarbamate

methyl 4-{[1-(1-azepanylcarbonyl)-2-(2-naphthylsulfonyl)hydrazino]methyl}-1-piperidinecarboxylate

N'-(1-azepanylcarbonyl)-N'-(4-piperidinylmethyl)-2-naphthalenesulfonohydrazide