"4-(5-Bromo-2-thienyl)-1-piperidinecarboxylic acid 1,1-dimethylethyl ester;1-Piperidinecarboxylic acid, 4-(5-bromo-2-thienyl)-, 1"
"4-(5-Bromo-2-thienyl)-1-piperidinecarboxylic acid 1,1-dimethylethyl ester;1-Piperidinecarboxylic acid, 4-(5-bromo-2-thienyl)-, 1"