4-phenethylcarbamoyl-piperidine-1-carboxylic acid 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-1,1-dimethyl-undecyl ester
4-(4-methoxy-benzylcarbamoyl)-piperidine-1-carboxylic acid 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-1,1-dimethyl-undecyl ester
4-[2-(4-methoxy-phenyl)-ethylcarbamoyl]-piperidine-1-carboxylic acid 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-1,1-dimethyl-undecyl ester