乙酰水杨酰氯相关论文
    贝诺酯合成工艺的改进艾庆霞(衡水市制药厂原料药分厂,河北053000)IMPROVEDSYNTHESISOFBENORILATE¥AiQing-Xia(BranchofBulkDrugs,HengshuiPharmaceuticalFactory,H.........