4-chloro-N-(4-nitrophenyl)butane-1-sulfonamide

2-ethoxy-2-(4-nitroanilino)-1-phenylethanone

6-(2-bromo-4-nitroanilino)-6-oxohexanoic acid

N-(4-azidophenyl)-2-morpholin-4-ylacetamide

N-(4-azidophenyl)-2-pyrrolidin-1-ylacetamide