tert-butyl 2-{4-[(acetylamino)methyl]benzyl}-2-[(4-methyl-1-piperidinyl)carbonyl]-1-hydrazinecarboxylate

1-{4-[(acetylamino)methyl]benzyl}-N-cyclopentyl-N-methyl-2-(2-naphthylsulfonyl)-1-hydrazinecarboxamide

N-(4-{[1-(4-morpholinylcarbonyl)-2-(2-naphthylsulfonyl)hydrazino]methyl}benzyl)acetamide

N-[4-(1,3-dioxacyclopent-2-yl)benzyl]butanamide

N-(4-formylbenzyl)butanamide