1-Piperidinecarboxylic acid, 4-(chlorosulfonyl)-, 1,1-dimethylethyl ester
1,1-Dimethylethyl 4-(chlorosulfonyl)-1-piperidinecarboxylate
4-Chlorosulfonylpiperidine-1-carboxylic acid tert-butyl ester
tert-Butyl 4-(chlorosulfonyl)piperidine-1-carboxylate