4-Nitro-N-(3-trimethylsilanyl-prop-2-ynyl)-benzenesulfonamide

4-Nitro-N-(4-trimethylsilanyl-but-3-ynyl)-benzenesulfonamide

N-(but-2-yn-1-yl)-N-cinnamyl-4-nitrobenzenesulfonamide

tert-butyl N-[(1S)-1-phenyl-2-[N-(prop-2'-yn-1'-yl)(4-nitrobenzene)sulfonamido]ethyl]carbamate

tert-butyl (2S)-6-methyl-4-[(4-nitrobenzene)sulfonyl]-2-phenyl-1,2,3,4-tetrahydropyrazine-1-carboxylate