Shanghai Bioman pharma limited

(S)-(-)-3-chloro-1-phenyl-1-propanol

(2R,3S)-1,2-Epoxy-3-(Boc-Amino)-4-Phenylbutane

(2S,3S)-1,2-Epoxy-3-(Boc-Amino)-4-Phenylbutane

tert-Butyl ((2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate

(S)-tert-Butyl (4-chloro-3-oxo-1-phenylbutan-2-yl)carbamate

Lubiprostone intermediate

(3S,4S)-3-[(R)-1-(tert-Butyldimethylsilyloxy)ethyl]-4-[(R)-1-carboxyethyl]-2-azetidinone

(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one