Home(S)-3-(3-Chloro-5-trifluoromethyl-pyridin-2-yloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester(S)-3-(3-Chloro-5-trifluoromethyl-pyridin-2-yloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester