苯唑西林钠,oxacillin sodium-凯发网址登录

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苯唑西林开环甲酯2
目录号: pi04019015     品名: oxacillin open-ring methyl esterification impurity 2
cas: |chemical formula: c20h23n3o6s|(4s)-2-(2-methoxy-1-(5-methyl-3-phenylisoxazole-4-carboxamido)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
苯唑西林开环乙酰化杂质
目录号: pi04019016     品名: oxacillin open-ring ethyl esterification impurity(oxacillin open-ring acetylation impurity)
cas no:n/a||chemical formula:c21h23n3o7s ||molecular weight:461.48900||exact mass:461.12567||(4s)-3-acetyl-2-(carboxy(5-methyl-3-phenylisoxazole-4-carboxamido)m……
苯唑西林双氧化杂质
目录号: pi04019017     品名: oxacillin dioxidation impurity
cas no:n/a ||chemical formula:c19h19n3o7s2 ||molecular weight:433.435 ||exact mass:433.09437 ||(2s,5r,6r)-3,3-dimethyl-6-(5-methyl-3-phenylisoxazole-4-carboxami……
苯唑西林杂质b2
目录号: pi04019018     品名: oxacillin impurity b2
cas no:n/a||chemical formula:c19h21n3o6s||molecular weight:419.45200||exact mass:419.11511||(4s)-2-(carboxy(5-methyl-3-phenylisoxazole-4-carboxamido)methyl)-5,5……
苯唑西林杂质b1、b2混合物
目录号: pi04019019     品名: the mixture of oxacillin impurity b1 & oxacillin impurity b2
cas no:n/a||chemical formula:c19h21n3o6s||molecular weight:419.45200||exact mass:419.11511||(4s)-2-(carboxy(5-methyl-3-phenylisoxazole-4-carboxamido)methyl)-5,5……
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