头孢丙烯杂质18 货号:C065018 英文名:Cefprozil Impurity 18 同义词:(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid CAS号:N/A 分子式:C17H19N3O6S 分子量:393.41 询价订购