acetylsalicylic

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

以水杨酸和乙酸酐为原料,在自制酸化膨润土催化下合成匹林;

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

概述4-香豆素的合成方法，重点绍苯酚法，乙酰水杨酸法，水杨酸甲酯法，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，并含有匹林500毫克，碳酸镁150毫克，甘铝75毫克。