| —— |
benzyl 7β-phenylacetylamino-1-carba-1-dethia-3-cephem-4-carboxylate |
73910-48-2 |
C23H22N2O4 |
390.439 |
| —— |
benzyl 7β-phenylacetylamino-3-chloroacetoxymethyl-1-carba-1-dethia-3-cephem-4-carboxylate |
73935-57-6 |
C26H25ClN2O6 |
496.947 |
| —— |
(6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester |
76284-38-3 |
C28H31N3O6 |
505.571 |
| —— |
(6R,7S)-7-Amino-3-(2-chloro-acetoxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester |
76284-39-4 |
C18H19ClN2O5 |
378.812 |
| —— |
(6R,7R)-7-Amino-3-(2-chloro-acetoxymethyl)-7-methoxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester |
73935-58-7 |
C19H21ClN2O6 |
408.839 |
| —— |
{(2R,3S)-2-[2-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-ethyl]-4-oxo-3-phenylacetylamino-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid benzyl ester |
73910-45-9 |
C45H45N2O6P |
740.836 |
| —— |
(6R,7R)-3-(2-Chloro-acetoxymethyl)-7-{[1-(3,5-di-tert-butyl-4-hydroxy-phenyl)-meth-(E)-ylidene]-amino}-7-methoxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester |
76284-35-0 |
C34H41ClN2O7 |
625.162 |
| —— |
[(2R,3S)-2-(3,4-Dihydroxy-butyl)-4-oxo-3-phenylacetylamino-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid benzyl ester |
73910-46-0 |
C42H41N2O6P |
700.771 |
| —— |
benzyl 2-<3β-phenylacetylamino-4β-(4-chloroacetoxy-3-oxobutyl)-2-oxoazetidin-1-yl>-2-triphenylphosphorane-diylethanoate |
73935-56-5 |
C44H40ClN2O7P |
775.238 |
| —— |
[(3S,4R)-2-Oxo-4-(3-oxo-propyl)-3-phenylacetylamino-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid benzyl ester |
73910-47-1 |
C41H37N2O5P |
668.729 |