654638-69-4
288400-37-3
(4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(1-methyl-1H-tetrazol-5-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
288400-01-1
(4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(1-phenyl-1H-tetrazol-5-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
288400-36-2
(4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(1-pyridin-4-yl-1H-tetrazol-5-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
288400-44-2
(4R,5S,6S)-3-{(3S,5S)-1-Allyloxycarbonyl-5-[1-(2-methylcarbamoyl-ethyl)-1H-tetrazol-5-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