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(2007/10/03)(S)-tert-butyl 4-(3-(benzyloxycarbonylamino)-2,2-difluoropropyl)-2,2-dimethyloxazolidine-3-carboxylate
4-[2-ethoxycarbonyl-2,2-difluoro-1-(imidazole-1-carbothioyloxy)-ethyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
(R)-tert-butyl 4-(3-ethoxy-2,2-difluoro-1(R/S)-hydroxy-3-oxopropyl)-2,2-dimethyloxazolidine-3-carboxylate
tert-butyl (4S)-4-(3-ethoxy-2,2-difluoro-3-oxopropyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate
4-(2-carbamoyl-2,2-difluoro-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester