| 1 | 56842-77-4 | 头孢唑啉杂质C | Cefazolin IMpurity C | C11H12N6O4S
| 头孢唑林;头孢唑林钠;杂质对照品;对照品-杂质对照品 | 对照品-杂质对照品;头孢唑林钠;杂质对照品;头孢唑林 |
| 2 | 378225-56-0 | | N-(2-methoxy-5-nitrophenyl)-2-[(1-methyl-1H-tetrazol-5-yl)sulfanyl]acetamide | C11H12N6O4S
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| 3 | 438233-37-5 | N-{3-[(2-hydroxyethyl)sulfanyl]-5-nitrophenyl}-2-(1H-tetraazol-1-yl)acetamide | N-{3-[(2-hydroxyethyl)sulfanyl]-5-nitrophenyl}-2-(1H-tetraazol-1-yl)acetamide | C11H12N6O4S
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| 4 | 313248-68-9 | 2-[({3-nitro-1H-1,2,4-triazol-1-yl}acetyl)amino]-4,5-dimethyl-3-thiophenecarboxamide | 2-[({3-nitro-1H-1,2,4-triazol-1-yl}acetyl)amino]-4,5-dimethyl-3-thiophenecarboxamide | C11H12N6O4S
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| 5 | | N-(2-METHOXY-5-NITROPHENYL)-2-[(1-METHYL-1H-1,2,3,4-TETRAAZOL-5-YL)SULFANYL]ACETAMIDE | N-(2-METHOXY-5-NITROPHENYL)-2-[(1-METHYL-1H-1,2,3,4-TETRAAZOL-5-YL)SULFANYL]ACETAMIDE | C11H12N6O4S
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