(S)-tert-butyl 2-(hydroxymethyl)-2,5-dihydro-1H-pyrrole-1-carboxylate

Trifluoro-methanesulfonic acid (6S,7R,7aR)-6-isopropenyl-3-oxo-tetrahydro-pyrrolo[1,2-c]oxazol-7-yl ester

(2S,4R)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-difluoromethylenyl-2-(tert-butyldiphenylsiloxymethyl)pyrrolidine

(2S,3R,4R)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-difluoromethyl-2-(tert-butyldiphenylsiloxymethyl)pyrrolidine

(2S,3S,4R)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-difluoromethyl-2-(tert-butyldiphenylsiloxymethyl)pyrrolidine

1-[(2S,3R,4S,5S)-N-tert-butyloxycarbonyl-3-tert-butyldimethylsilyloxy-4-difluoromethyl-5-(tert-butyldimethylsilyloxymethyl)pyrrolidin-2-yl]uracil

(2S,3R,4S,5S)-N-tert-butyloxycarbonyl-2-acetyloxy-3-tert-butyldimethylsilyloxy-4-difluoromethyl-5-(tert-butyldimethylsiloxymethyl)pyrrolidine

(2R,4S)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-oxo-2-(tert-butyldiphenylsiloxymethyl)pyrrolidine

(2S,3R,4R)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-difluoromethyl-2-(tert-butyldimethylsiloxymethyl)pyrrolidine

(2S,3R,4R,5S)-N-tert-butyloxycarbonyl-2-acetyloxy-3-tert-butyldimethylsilyloxy-4-difluoromethyl-5-(tert-butyldimethylsiloxymethyl)pyrrolidine

(2S,3R,4R)-N-tert-butyloxycarbonyl-4-tert-butyldimethylsiloxy-3-difluoromethyl-2-(tert-butyldimethylsiloxymethyl)pyrrolidine

(2R,3R,4S)-N-tert-butyloxycarbonyl-4-benzoyloxy-3-hydroxy-2-(tert-butyldiphenylsiloxymethyl)pyrrolidine

(2S,3S,4R)-N-tert-butyloxycarbonyl-4-tert-butyldimethylsiloxy-3-difluoromethyl-2-(tert-butyldimethylsiloxymethyl)pyrrolidine

BOC-4-去氢-L-脯氨酸

1-[(2R,3R,4R,5S)-N-tert-butyloxycarbonyl-3-tert-butyldimethylsilyloxy-4-difluoromethyl-5-(tert-butyldimethylsilyloxymethyl)pyrrolidin-2-yl]uracil

丁氧羰基-3 ,4-脱氢脯氨酸羟基

(1S,2R,7S,8S,14S)-5,5,7-trimethyl-3,11-dioxo-10-aza-4,6,12-trioxatetracyclo[6.3.0.02,7.010,14]tetradecane

(S)-(N'-benzyloxycarbonylaminooxymethyl)-2,5-dihydropyrrole-1-carboxylic acid 1-tert-butyl ester

(2R,3R,4S)-N-tert-butoxycarbonyl-2-tert-butyldiphenylsilyloxymethyl-3,4-isopropylidenedioxypyrrolidine