| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| 二苯基甲基(6R,7R)-7-氨基-3-{[(1-甲基-1H-四唑-5-基)硫基]甲基}-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸酯 | 7β-amino-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>ceph-3-em-4-oic acid benzhydryl ester | 53090-86-1 | C23H22N6O3S2 | 494.598 |
| —— | 7-(4-nitrobenzalimino)-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-Δ3-cephem-4-carboxylic acid diphenylmethyl ester | 73711-24-7 | C30H25N7O5S2 | 627.704 |
| 头孢美唑杂质 | (R)-7-methylsulfanylimino-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester | 64278-70-2 | C24H22N6O3S3 | 538.675 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | (6R)-7t-(2-cyanomethylsulfanyl-acetylamino)-7c-methylsulfanyl-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester | 68576-48-7 | C28H27N7O4S4 | 653.831 |
| (6R,7S)-7-[(溴乙酰)氨基]-7-甲氧基-3-[[(1-甲基-1H-四唑-5-基)硫]甲基]-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-甲酸二苯甲基酯 | 7-bromoacetamide-7-methoxy-3-(1-methyl-1H-5-tetrazolyl)thiomethyl-3-cephem-4-carboxylic acid diphenyl methyl ester | 70035-75-5 | C26H25BrN6O5S2 | 645.558 |
| —— | (6R,7S)‑benzhydryl‑7‑methoxy‑3‑((1‑methyl‑1H‑tetrazol‑5‑ylthio)methyl)‑8‑oxo‑7‑(2‑phenylacetamid‑o)‑5‑thia‑1‑aza‑bicyclo[4.2.0]oct‑2‑ene‑2‑carboxylate | 64278-77-9 | C32H30N6O5S2 | 642.759 |
| —— | (6R,7R)-7-Methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester | 78998-01-3 | C32H30N6O5S2 | 642.759 |
| —— | (6R,7S)-7-Methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester | 73707-48-9 | C32H30N6O5S2 | 642.759 |