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Cefradine

CAS No. : 38821-53-3

Chemical Formula : C16H19N3O4S

STD No. : 560C
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Cefradine Impurity 1（Cefradine EP Impurity A）

CAS No. : 26395-99-3

Chemical Formula : C8H10N2O3S

STD No. : 5601C
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Cefradine Impurity 2（Cefradine EP Impurity B）

CAS No. : 20763-30-8&26774-88-9

Chemical Formula : C8H11NO2

STD No. : 5602C
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Cefradine Impurity 3（Cefradine EP Impurity C)

CAS No. : N/A

Chemical Formula : C16H19N3O5S

STD No. : 5603C
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Cefradine Impurity 5（Cefradine EP Impurity E）

CAS No. : N/A

Chemical Formula : C16H17N3O5S

STD No. : 5605C
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Cefradine Impurity 6（Cefradine EP Impurity F）

CAS No. : 34876-35-2

Chemical Formula : C5H6O2S

STD No. : 5606C
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Cefradine Impurity 7（Cefradine EP Impurity G）

CAS No. : 146794-70-9

Chemical Formula : C13H18N2O4S

STD No. : 5607C
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Cefradine Impurity 8

CAS No. : 150870-62-5

Chemical Formula : C16H19N3O4S

STD No. : 5608C
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Cefradine Impurity 4（Cefradine EP Impurity D）

CAS No. : N/A

Chemical Formula : C16H19N3O5S

STD No. : 5604C
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Cefradine Impurity 9

CAS No. : 37051-00-6

Chemical Formula : C16H21N3O4S

STD No. : 5609C
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