| —— |
3-Acetoxymethyl-5,5,8-trioxo-7-phenoxy-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
104263-95-8 |
C20H23NO8S |
437.471 |
| —— |
tert-butyl (6R,7S)-3-(acetyloxymethyl)-8-oxo-7-phenoxy-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
127732-93-8 |
C20H23NO6S |
405.472 |
| —— |
tert-butyl 3-(acetoxymethyl)-7α-<(N-methylcarbamoyl)oxy>-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate |
127732-99-4 |
C16H22N2O7S |
386.426 |
| —— |
3-Acetoxymethyl-7-benzoyloxy-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127733-02-2 |
C21H23NO9S |
465.481 |
| —— |
3-Acetoxymethyl-7-formyloxy-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
95671-98-0 |
C15H19NO9S |
389.383 |
| —— |
3-Acetoxymethyl-7-methylcarbamoyloxy-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127733-05-5 |
C16H22N2O9S |
418.425 |
| —— |
3-Acetoxymethyl-5,5,8-trioxo-7-propionyloxy-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127733-01-1 |
C17H23NO9S |
417.437 |
| —— |
7-Acetoxy-3-acetoxymethyl-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
95570-87-9 |
C16H21NO9S |
403.41 |
| —— |
t-butyl 3-acetoxymethyl-7α-methoxy-3-cephem-4-carboxylate 1β-oxide |
95570-71-1 |
C15H21NO7S |
359.4 |
| —— |
t-butyl 3-acetoxymethyl-7α-methoxy-3-cephem-4-carboxylate 1α-oxide |
104196-07-8 |
C15H21NO7S |
359.4 |
| —— |
tert-butyl 1,1-dioxo-trans-7-ethylcephalosporanate |
104163-87-3 |
C16H23NO7S |
373.427 |
| —— |
3-Acetoxymethyl-5,5,8-trioxo-7-(2-phenoxy-acetoxy)-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127733-04-4 |
C22H25NO10S |
495.507 |
| —— |
7β-phenoxyacetoxycephalosporanic acid t-butyl ester |
127732-98-3 |
C22H25NO8S |
463.508 |
| —— |
3-Acetoxymethyl-5,5,8-trioxo-7-phenylacetoxy-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127733-03-3 |
C22H25NO9S |
479.508 |
| —— |
tert-butyl 1,1-dioxo-trans-7-ethoxycephalosporanate |
104163-88-4 |
C16H23NO8S |
389.427 |
| —— |
tert-butyl 3-(acetoxymethyl)-7α-(formyloxy)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
95570-85-7 |
C15H19NO7S |
357.384 |
| —— |
tert-butyl 3-(acetoxymethyl)-7α-acetoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
95570-86-8 |
C16H21NO7S |
371.411 |
| —— |
3-Acetoxymethyl-7-butoxy-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
104163-90-8 |
C18H27NO8S |
417.48 |
| —— |
tert-butyl 3-(acetoxymethyl)-7α-methoxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 5,5-dioxide |
95671-97-9 |
C15H21NO8S |
375.4 |
| —— |
tert-butyl 7β-methoxycephalosporanate 1,1-dioxide |
104263-94-7 |
C15H21NO8S |
375.4 |
| 3-乙酰氧基甲基-7-氯-3-头孢烯-4-羧酸叔丁基酯 1,1-二氧化物 |
tert-butyl 1,1-dioxo-trans-7-chloroacephalosporanate |
95672-01-8 |
C14H18ClNO7S |
379.818 |
| —— |
3-Acetoxymethyl-5,5,8-trioxo-7-propoxy-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
104163-89-5 |
C17H25NO8S |
403.453 |
| —— |
tert-butyl 1,1-dioxo-trans-7-hydroxycephalosporanate |
122189-88-2 |
C14H19NO8S |
361.373 |
| —— |
tert-butyl 1,1-dioxo-trans-7-(isopropyloxy)cephalosporanate |
104163-91-9 |
C17H25NO8S |
403.453 |
| —— |
tert-butyl 3-(acetoxymethyl)-7α-benzoyloxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate |
127761-74-4 |
C21H23NO7S |
433.482 |
| —— |
3-Acetoxymethyl-8-oxo-7-propionyloxy-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127732-96-1 |
C17H23NO7S |
385.438 |
| —— |
tert-butyl (6R,7S)-3-(acetyloxymethyl)-8-oxo-7-(2-phenylacetyl)oxy-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
127732-97-2 |
C22H25NO7S |
447.509 |
| —— |
(6R)-3-acetoxymethyl-7c-hydroxy-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
63599-58-6 |
C14H19NO6S |
329.374 |
| —— |
3-Acetoxymethyl-7-(1-ethyl-propoxy)-5,5,8-trioxo-5lambda*6*-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
127761-75-5 |
C19H29NO8S |
431.507 |
| —— |
t-butyl 3-acetoxymethyl-7α-methoxy-3-cephem-4-carboxylate |
95570-83-5 |
C15H21NO6S |
343.401 |