372146-89-9
(4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(4-trifluoromethyl-pyrimidin-2-ylsulfanylmethyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
147505-39-3
(4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-((E)-3-allyloxycarbonylamino-propenyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
164162-74-7
3-[1-allyloxycarbonyl-5-(2-carbamoyl-pyridin-4-ylmethyl)-pyrrolidin-3-ylsulfanyl]-6-(1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
326605-44-1
(4R,5S,6S)-3-{(3S,5S)-1-Allyloxycarbonyl-5-[(E)-2-(3-chloro-isoxazol-5-yl)-vinyl]-pyrrolidin-3-ylsulfanyl}-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
326605-45-2
(4R,5S,6S)-3-{(3S,5S)-1-Allyloxycarbonyl-5-[(E)-2-(3-methoxy-isoxazol-5-yl)-vinyl]-pyrrolidin-3-ylsulfanyl}-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester