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

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

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

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