—— |
(2S,6R,7R)-8-Oxo-7-(2-phenoxy-acetylamino)-5-thia-1,3-diaza-bicyclo[4.2.0]octane-2-carboxylic acid benzyl ester |
75029-86-6 |
C21H21N3O5S |
427.481 |
—— |
Oxo-[(3R,4R)-2-oxo-3-(2-phenoxy-acetylamino)-4-(2,2,2-trichloro-ethoxycarbonylsulfanyl)-azetidin-1-yl]-acetic acid benzyl ester |
75029-79-7 |
C23H19Cl3N2O8S |
589.837 |
—— |
(R)-3-Methyl-2-[(3R,4R)-2-oxo-3-(2-phenoxy-acetylamino)-4-(2,2,2-trichloro-ethoxycarbonylsulfanyl)-azetidin-1-yl]-but-3-enoic acid benzyl ester |
75029-77-5 |
C26H25Cl3N2O7S |
615.919 |
—— |
(2R,6R,7R)-8-Oxo-7-(2-phenoxy-acetylamino)-3-trifluoromethanesulfonyl-5-thia-1,3-diaza-bicyclo[4.2.0]octane-2-carboxylic acid benzyl ester |
75029-88-8 |
C22H20F3N3O7S2 |
559.544 |
—— |
3-Methyl-2-[(3R,4R)-2-oxo-3-(2-phenoxy-acetylamino)-4-(2,2,2-trichloro-ethoxycarbonylsulfanyl)-azetidin-1-yl]-but-2-enoic acid benzyl ester |
75029-78-6 |
C26H25Cl3N2O7S |
615.919 |
—— |
(R)-2-[(2R)-2r-mercapto-4-oxo-3c-(2-phenoxy-acetylamino)-azetidin-1-yl]-3-methyl-but-3-enoic acid benzyl ester |
68047-65-4 |
C23H24N2O5S |
440.52 |