头孢丙烯杂质19 货号:C065019 英文名:Cefprozil Impurity 19 同义词:(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid CAS号:N/A 分子式:C18H19N3O5S 分子量:389.43 询价订购