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(2007/10/02)2-chloro-2,2-difluoroacetophenone
(3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one
2,2-difluoro-1-phenyl-1-trimethylsiloxyethene
1,1-difluorocarbapenem
[(2S,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(1,1-difluoro-2-oxo-2-phenyl-ethyl)-4-oxo-azetidin-1-yl]-chloro-acetic acid allyl ester
[(2S,3S)-3-((R)-1-Allyloxycarbonyloxy-ethyl)-2-(1,1-difluoro-2-oxo-2-phenyl-ethyl)-4-oxo-azetidin-1-yl]-bromo-acetic acid allyl ester
[(2S,3S)-3-((R)-1-Allyloxycarbonyloxy-ethyl)-2-(1,1-difluoro-2-oxo-2-phenyl-ethyl)-4-oxo-azetidin-1-yl]-chloro-acetic acid allyl ester
[(2S,3S)-3-((R)-1-Allyloxycarbonyloxy-ethyl)-2-(1,1-difluoro-2-oxo-2-phenyl-ethyl)-4-oxo-azetidin-1-yl]-hydroxy-acetic acid allyl ester