225219-98-7
(2S,2aS,2bR,5aR,6S)-4-Acetoxy-2-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester
225220-03-1
(2S,2aS,2bR,4S,5aR,6S)-5a-Benzenesulfonyl-2-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-methoxy-2b-methyl-1-oxo-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester
225219-99-8
(2S,2aS,2bR,4R,5aR,6S)-4-Acetoxy-5a-benzenesulfonyl-2-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester
225220-01-9
(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester