|
序号 |
名称 |
CAS |
化学名称 |
结构式 |
|
1 |
头孢西丁 |
33564-30-6 |
sodium (6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
|
|
2 |
头孢西丁杂质A(EP) |
54333-94-7 |
(6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[[(thiophen-2-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
|
|
3 |
头孢西丁杂质D(EP) |
1422023-33-3 |
(5aR,6S)-6-methoxy-6-[[(thiophen-2-yl)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione |
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|
4 |
头孢西丁杂质G(EP) |
|
(6R,7S)-3-((((((6R,7S)-2-carboxy-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methoxy)carbamoyl)oxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
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