(S)-4-[(R)-5-(1-Methanesulfonyl-1,2,3,6-tetrahydro-pyridin-4-yl)-2,3-dihydro-furo[2,3-c]pyridin-2-yl]-piperidine-1-carboxylic acid 2,2,2-trifluoro-1-methyl-ethyl ester|Huagongshe