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右美沙芬杂质B(EP)购买
目录号: PI20041002     品名: Dextromethorphan Impurity E(EP)
CAS No:125-73-5||Chemical Formula:C17H23NO||Molecular Weight:257.37700||Exact Mass:257.17796||(4bS,8aS,9S)-11-methyl-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoeth……
右美沙芬杂质C(EP)购买
目录号: PI20041003     品名: Dextromethorphan Impurity C(EP)
CAS No:57969-05-8||Chemical Formula:C18H23NO2||Molecular Weight:285.38700||Exact Mass:285.17288||(4bS,8aS,9R)-3-methoxy-11-methyl-5,6,7,8,8a,9-hexahydro-10H-9,4……
右美沙芬杂质Ⅳ(CP)购买
目录号: PI20041034     品名: Dextromethorphan Impurity IV(CP)
CAS No:1177494-18-6||Chemical Formula:C18H25NO2||Molecular Weight:287.40300||Exact Mass:287.18853||(1S,9S,10S,17R)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01……

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