Blood - Determination of cholinesterase activity - Spectrophotometric method - Acetylthiocholine and dithio - bis - ( nitrobenzoic acid ) method.

全血胆碱酯酶活性的分光光度测定方法硫代乙酰胆碱 - 联 硫代 双硝基苯甲酸法.

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Methods: Benzocaine was synthesized from p - nitrobenzoic acid via two steps through esterifying and reduction.

方法: 以对硝基苯甲酸为起始原料,经酯化,还原两步合成苯佐卡因.

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