头孢唑林杂质38 货号:C007038 英文名:Cefazolin Impurity 38 同义词:2-(2-(1H-tetrazol-1-yl)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid CAS号:N/A 分子式:C11H12N6O5S 分子量:340.32 询价订购