| —— |
tert-butyl 1,1-dioxo-trans-7-hydroxycephalosporanate |
122189-88-2 |
C14H19NO8S |
361.373 |
| —— |
tert-butyl 1,1-dioxo-trans-7-ethylcephalosporanate |
104163-87-3 |
C16H23NO7S |
373.427 |
| —— |
tert-butyl 1,1-dioxo-cis-7-ethylcephalosporanate |
122189-91-7 |
C16H23NO7S |
373.427 |
| 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 |
| —— |
tert-butyl 1,1-dioxo-cis-7-chloroacephalosporanate |
122291-04-7 |
C14H18ClNO7S |
379.818 |
| —— |
7-formyl-7-methyl-3-acetoxymethyl-3-cephem 1,1-dioxide |
139080-69-6 |
C16H21NO8S |
387.411 |
| —— |
tert-butyl 7β-methoxycephalosporanate 1,1-dioxide |
104263-94-7 |
C15H21NO8S |
375.4 |
| —— |
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 1,1-dioxo-trans-7-ethoxycephalosporanate |
104163-88-4 |
C16H23NO8S |
389.427 |
| —— |
tert-butyl 1,1-dioxo-cis-7-ethoxycephalosporanate |
122189-89-3 |
C16H23NO8S |
389.427 |
| —— |
tert-butyl 1,1-dioxo-trans-7-fluorocephalosporanate |
95672-00-7 |
C14H18FNO7S |
363.364 |
| —— |
tert-butyl 1,1-dioxo-trans-7-(isopropyloxy)cephalosporanate |
104163-91-9 |
C17H25NO8S |
403.453 |
| —— |
tert-butyl 1,1-dioxo-cis-7-(isopropyloxy)cephalosporanate |
122189-90-6 |
C17H25NO8S |
403.453 |
| —— |
tert-butyl 7-formyl-7-isopropyl-3-acetoxymethyl cephalosporanate 1,1-dioxide |
139080-67-4 |
C18H25NO8S |
415.464 |
| —— |
3-acetoxymethyl-7α-methoxy-3-cephem-4-carboxylic acid 1,1-dioxide |
104164-02-5 |
C11H13NO8S |
319.292 |
| —— |
tert-butyl (3'S,6R,7S)-3-(acetyloxymethyl)-3'-methyl-5,5,8-trioxospiro[5λ6-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2'-oxirane]-2-carboxylate |
139080-68-5 |
C16H21NO8S |
387.411 |
| —— |
tert-butyl (3'S,6R,7S)-3-(acetyloxymethyl)-5,5,8-trioxo-3'-propan-2-ylspiro[5λ6-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2'-oxirane]-2-carboxylate |
139080-75-4 |
C18H25NO8S |
415.464 |
| —— |
(R)-3-Acetoxymethyl-7-formyl-5,5,8-trioxo-7-thiophen-3-yl-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester |
139080-71-0 |
C19H21NO8S2 |
455.51 |
| —— |
tert-butyl (3'S,6R,7S)-3-(acetyloxymethyl)-5,5,8-trioxo-3'-phenylspiro[5λ6-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2'-oxirane]-2-carboxylate |
139080-72-1 |
C21H23NO8S |
449.482 |
| —— |
tert-butyl (3'S,6R,7S)-3-(acetyloxymethyl)-3'-(furan-3-yl)-5,5,8-trioxospiro[5λ6-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2'-oxirane]-2-carboxylate |
139080-74-3 |
C19H21NO9S |
439.443 |
| —— |
tert-butyl (3'S,6R,7S)-3-(acetyloxymethyl)-3'-(furan-2-yl)-5,5,8-trioxospiro[5λ6-thia-1-azabicyclo[4.2.0]oct-2-ene-7,2'-oxirane]-2-carboxylate |
139080-73-2 |
C19H21NO9S |
439.443 |
| —— |
9H-fluoren-9-ylmethyl (2S)-2-[[(6R,7S)-3-(acetyloxymethyl)-7-methoxy-5,5,8-trioxo-5lambda6-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-3-(1H-indol-3-yl)propanoate |
359441-11-5 |
C36H33N3O9S |
683.739 |
| —— |
9H-fluoren-9-ylmethyl (2S)-2-[[(2S)-2-[[(6R,7S)-3-(acetyloxymethyl)-7-methoxy-5,5,8-trioxo-5lambda6-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoate |
359441-15-9 |
C47H43N5O10S |
869.952 |
| —— |
(3Z,6Z)-3-Acetoxymethyl-7-isobutyryl-1,1,8-trioxo-1,2,5,8-tetrahydro-1λ6-[1,5]thiazocine-4-carboxylic acid tert-butyl ester |
139112-07-5 |
C18H25NO8S |
415.464 |