4-bromo-2-nitrobenzenesulfonamide

4-bromo-2-nitro-benzenesulfonyl chloride

benzyl (S)-2-(6-bromo-1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)pyrrolidine-1-carboxylate

tert-butyl (S)-2-(6-bromo-1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)pyrrolidine-1-carboxylate

benzyl (S)-2-(chlorocarbonyl)pyrrolidine-1-carboxylate