| —— |
(7R,8R)-3-Methyl-9-oxo-8-(2-phenoxy-acetylamino)-4-oxa-6-thia-1-aza-bicyclo[5.2.0]non-2-ene-2-carboxylic acid 4-nitro-benzyl ester |
80534-15-2 |
C23H21N3O8S |
499.501 |
| —— |
(7R,8R)-8-Amino-3-methyl-9-oxo-4-oxa-6-thia-1-aza-bicyclo[5.2.0]non-2-ene-2-carboxylic acid 4-nitro-benzyl ester |
80523-31-5 |
C15H15N3O6S |
365.367 |
| —— |
(Z)-2-[(2R,3R)-2-Chloromethylsulfanyl-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-3-hydroxy-but-2-enoic acid 4-nitro-benzyl ester |
80523-27-9 |
C23H22ClN3O8S |
535.962 |
| —— |
(Z)-3-Hydroxy-2-[(2R,3R)-2-iodomethylsulfanyl-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-but-2-enoic acid 4-nitro-benzyl ester |
80523-28-0 |
C23H22IN3O8S |
627.413 |
| —— |
(R)-2-[(2R,3R)-2-Chlorosulfinyl-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-3-methyl-but-3-enoic acid 4-nitro-benzyl ester |
61375-83-5 |
C23H22ClN3O8S |
535.962 |