acetylsalicylic

Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by chloride acidation bentonite.

以水乙酐为原料,在自制化膨润土催化下合成了阿司匹;

The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.

概述了4-羟基香豆素的合成方法，重点绍了苯酚法，乙酰水法，水甲酯法，邻羟基苯乙酮法。

Each caplet has a micro-thin coating to mark it easier to swallow,and contains Acetylsalicylic acid 500 mg,magnesium carbonate 150 mg,dihydroxy-aluminium aminoacetate 75mg.

每粒有糖衣便于吞服，并含有阿司匹500，碳镁150，甘羟铝75。