氯唑西林杂质4 货号:C120004 英文名:Cloxacillin Impurity 4 同义词:(2R,5R,6R)-6-(3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbothioic S-acid CAS号:5053-36-1 分子式:C19H18ClN3O4S2 分子量:451.95 询价订购