| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| —— | Benzhydryl 3-(tert. butoxycarbonyl)vinyl-7-(2'-formyloxy)phenylacetamido-3-cephem-4-carboxylat | 57079-47-7 | C36H34N2O8S |
| —— | (3S,4S)-1-(4-methoxyphenyl)-3-[4-(2-propenyloxy)phenylmethyl]-4-formylazetidin-2-one | 441786-67-0 | C21H21NO4 |
| —— | 3-Hydroxy-2-[(3S,4R)-2-oxo-3-phenylacetylamino-4-((E)-styryl)-azetidin-1-yl]-propionic acid methyl ester | 67107-12-4 | C23H24N2O5 |
| —— | (3R,4S)-4-((R)-3-Bromo-1-hydroxy-but-3-enyl)-1-(4-methoxy-phenyl)-3-prop-2-ynyloxy-azetidin-2-one | 850899-01-3 | C17H18BrNO4 |
| —— | (R)-(+)-methyl 1-(4-fluorobenzyl)-4-oxoazetidine-2-carboxylate | 1256910-84-5 | C12H12FNO3 |
| —— | 4(R)-allyl-3(S)-<1(R)-<(tert-butyldiphenylsilyl)oxy>ethyl>-2-oxoazetidine | 97403-57-1 | C24H31NO2Si |
| —— | 6-(But-2-inoylamino)-penicillansaeure | 40125-90-4 | C6H13N*C12H14N2O4S |
| —— | 1-(o-nitrophenyl)-4-oxoazetidine-2-carboxylic acid | 111781-73-8 | C10H8N2O5 |
| —— | 2,2-dimethyl-trans-8-(α-p-nitrobenzyloxycarbonyloxyethyl)-9-oxo-3-oxa-6-thia-1-azabicyclo<5.2.0<sup>1,7</sup>>nonane | 73845-16-6 | C18H22N2O7S |
| —— | N-<2-(2-oxo-3-phenoxy-4-phenylazetidin-1-yl)propanoyl>-L-proline | 90035-42-0 | C23H24N2O5 |
| —— | 4-[(2S,3S)-1-benzyl-3-propyl-4-oxoazetidin-2-yl]-1-O-tert-butyldimethylsilyl-2,3-O-isopropyliden-β-L-erythrofuranose | 1291056-46-6 | C26H41NO5Si |
| —— | (6<i>R</i>)-7<i>t</i>-{(<i>RS</i>)-2-[2-(1,1-dimethyl-propoxycarbonylamino)-thiazol-4-yl]-2-hydroxy-acetylamino}-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid | 64987-60-6 | C22H26N6O7S4 |
| —— | (+/-)-3,4-trans-1-(3,5-dimethoxyphenyl)-3-hydroxy-4-(4-methoxyphenyl)azetidin-2-one | 1361388-56-8 | C18H19NO5 |
| —— | cis-1-Formyl-4-phenyl-3-phenoxy-2-azetidinone | 118673-26-0 | C16H13NO3 |
| —— | 302833-61-0 | C18H24ClN3O5S | |
| —— | 3-Acetoxymethyl-7-{2-furan-2-yl-2-[(Z)-1-methylcarbamoyl-cyclopentyloxyimino]-acetylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid | 62556-65-4 | C23H26N4O9S |
| —— | (6<i>R</i>)-7<i>t</i>-[2-(1-carbamoyl-1-methyl-ethoxyimino)-2-thiophen-2-yl-acetylamino]-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid | 62556-75-6 | C21H22N6O6S4 |
| —— | 7β-(2-Thienylacetamido)-3-vinylceph-3-em-4-carbonsaeure | 33748-58-2 | C15H14N2O4S2 |
| —— | (+)-(2R,3R)-3-methoxy-1-benzyl-4-oxoazetidine-2-carbaldehyde | 301532-91-2 | C12H13NO3 |
| —— | benzyl 2-<(2R,3R)-2-acetonylsulphonyl-4-oxo-3-phenoxyacetamidoazetidin-1-yl>-2-metylbut-2-enoate | 121534-49-4 | C26H28N2O8S |
| —— | (S)-(-)-1-benzyl-4-oxoazetidine-2-carboxamide | 1256910-60-7 | C11H12N2O2 |
| —— | (6R,7R)-7-[(Z)-2-(2-Amino-thiazol-4-yl)-2-tert-butoxycarbonyl-methoxyimino-acetylamino]3-[(E)-1-cyclopropylmethyl-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid trifluoroacetate | 161672-10-2 | C2HF3O2*C27H32N6O8S2 |
| —— | 3-(2-Chloro-phenyl)-5-methyl-isoxazole-4-carboxylic acid [3,3-dimethyl-7-oxo-2-(1H-tetrazol-5-yl)-4-thia-1-aza-bicyclo[3.2.0]hept-6-yl]-amide | 56852-30-3 | C19H18ClN7O3S |
| —— | (6R)-4c-(2-cyano-ethyl)-3-methyl-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester | 66614-50-4 | C20H21N3O6S |
| —— | (2S,3S)-3-Benzyloxycarbonylamino-2-(2-chloro-acetylcarbamoyloxymethyl)-4-oxo-azetidine-1-sulfonatetetrabutyl-ammonium; | 97781-99-2 | C15H15ClN3O9S*C16H36N |
| —— | (4R)-1-benzyl-4-ethenylazetidin-2-one | 87408-20-6 | C12H13NO |
| —— | (3RS,4RS)-4-allyl-1-<dimethyl(t-butyl)silyl>-3-hydroxy-azetidin-2-one | 104882-76-0 | C12H23NO2Si |
| —— | 3-Aethyl-7,7-dibutyl-3-phenyl-1,5-diaza-bicyclo<3,3,0>octan-2,6-dion | 2842-97-9 | C22H32N2O2 |
| —— | 3-(diethoxyphosphoryl)-5-ethyl-4-phenylpyrrolidin-2-one | 1227848-41-0 | C16H24NO4P |
| —— | (2R)-2-[(2R,3R)-2-[[(2R,3R)-1-[(1R)-1-carboxy-2-methylpropyl]-4-oxo-3-[(2-phenylacetyl)amino]azetidin-2-yl]disulfanyl]-4-oxo-3-[(2-phenylacetyl)amino]azetidin-1-yl]-3-methylbutanoic acid | 130164-51-1 | C32H38N4O8S2 |
| —— | 1207182-55-5 | C16H15ClN2O4 | |
| —— | tert-butyl(6S,7S)-7-amino-3-tert-butyldimethylsilyloxymethyl-8-oxo-4-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate | 129086-28-8 | C18H32N2O4SSi |
| —— | [(3S,4R)-2-Oxo-3-(2-phenoxy-acetylamino)-4-prop-2-ynyloxy-azetidin-1-yl]-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetic acid tert-butyl ester | 65360-80-7 | C38H37N2O6P |
| —— | 3-(2-Methanesulfonyloxy-ethyl)-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester | 73760-93-7 | C16H16N2O8S2 |
| —— | 2(R)-[1(S)-(hydroxycarbamoyl)-4-phenylbutyl]-4-methyl-N-[2,5-dioxo-3-[(2-pyridyl)methyl]-1-imidazolidinyl]valeramide | 277304-30-0 | C26H33N5O5 |
| —— | (3R,4S)-3-[(3S)-3-(benzyloxy)-3-(4-fluorophenyl)propyl]-1-(4-fluorophenyl)-4-(4-mercaptophenyl)azetidin-2-one | 851860-28-1 | C31H27F2NO2S |
| —— | (1S,9bR)-2-Oxo-1-(2-phenoxy-acetylamino)-1,9b-dihydro-2H-azeto[2,1-a]isoquinoline-4-carboxylic acid | 68234-13-9 | C20H16N2O5 |
| —— | 8-oxo-3-thiazol-4-yl-7<i>t</i>-(2-thiophen-2-yl-acetylamino)-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester | 52540-07-5 | C17H15N3O4S3 |
| —— | 1,2-Bis-(3-methoxycarbonyl-2-oxo-4-phenyl-pyrrolidin-5-yl)-ethan | 1924-33-0 | C26H28N2O6 |
| —— | (4aS,7aR)-2-Cyclohex-3-enyl-hexahydro-cyclopenta[e][1,3]oxazin-4-one | 86009-72-5 | C13H19NO2 |
| —— | 1,4-Dibutyryl-glykoluril | 28751-98-6 | C12H18N4O4 |
| —— | 2-[3-(2-Amino-ethoxy)-phenyl]-N-[3,3-dimethyl-7-oxo-2-(1H-tetrazol-5-yl)-4-thia-1-aza-bicyclo[3.2.0]hept-6-yl]-acetamide | 56852-71-2 | C18H23N7O3S |
| —— | 9-acetoxy-1α-oxo-6β-phthalimido-1λ<sup>4</sup>-penicillanic acid methyl ester | 31575-26-5 | C19H18N2O8S |
| —— | (2S,3S,5R,6S)-3-(benzyloxy)-2-[(benzyloxy)methyl]-6-(diethoxymethyl)-1-azabicyclo[3.2.0]heptan-7-one | 1413382-63-4 | C26H33NO5 |
| —— | benzyl 2-<(2R,3S)-2-acetonylsulphonyl-4-oxo-3-phenoxyacetamidoazetidin-1-yl>glyoxylate | 121534-50-7 | C23H22N2O9S |
| —— | trans-N-benzyl-5-<(trifluoroacetoxy)methyl>-3-<(benzyloxycarbonyl)amino>pyrrolidin-2-one | 127133-50-0 | C22H21F3N2O5 |
| —— | 1380413-62-6 | C24H16Cl3NO2 | |
| —— | 1-(2,2-Dimethoxy-ethyl)-4-vinyl-azetidin-2-one | 67077-13-8 | C9H15NO3 |
| —— | N-Hydroxy-cis-cyclopentan-1,2-dicarbonsaeureimid | 18414-27-2 | C7H9NO3 |
| —— | Benzhydryl 7-phenoxyacetamido-3-c-deacetoxycephalosporanate 1-oxide | 96894-39-2 | C29H26N2O6S |