120705-67-1

Faropenem Impurity 22 Faropenem Related Compound 3 (5R,6S)-6-[(1R)-1-[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Ethyl]-7-Oxo-3-[(2R)-Tetrahydro- (5R,6S)-Allyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-7-oxo-3-((R)-tetrahydrofuran-2-yl) (5R,6S)-Allyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-7-oxo-3-((R)-tetrahydrofuran-2-yl)-4- All(1'R,2"R,5R,6S)-6(1'-tert-butyl dimethylsilyloxyethy)-2-(2"-tetrahydrofuranyl)penem-3-carboxylate 6-[1-[tert-butyl(dimethyl)silyl]oxyethyl]-7-oxo-3-(3-oxolanyl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid prop-2-enyl ester (5R,6S)-Allyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-7-oxo-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate allyl (5R,6S)-6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-7-oxo-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate (5R,6S)-6-(1R)-1-(1,1-DIMETHYLETHYL)DIMETHYLSILYLOXYETHYL-7-OXO-3-(2R)-TETRAHYDRO-2-FURANYL-4-THIA-1-AZABICYCLO3.2.0HEPT-2-ENE-2-CARBOXYLIC ACID 2-PROPENYL ESTER 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-7-oxo-3-[(2R)-tetrahydro-2-furanyl]-, 2-propen-1-yl ester, (5R,6S)-