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1·Objective: To improve the preparation of benzocaine.

目的：对苯佐卡因的合成工艺进行探索。

2·Objective To study the clinical effects of Benzocaine Paste on treating oral ulcers.

目的研究临床应用苯佐卡因糊剂治疗口腔溃疡的疗效。

3·These creams contain high doses of local anesthetics including lidocaine, tetracaine, benzocaine, and prilocaine.

这些麻醉剂含有高剂量的局麻药，包括利多卡因、丁卡因、苯佐卡因、丙胺卡因。