The active ingredient is acetylsalicylic acid.有效成份是[乙水杨酸].Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.A n...

n.乙酰基转移酶...

coacetylase的音标：coacetylase的英式发音音标为：[kəʊsɪtɪ'leɪs]coacetylase的美式发音音标为：[koʊsɪtɪ'leɪs]...

desacetylcolchicine的音标：desacetylcolchicine的英式发音音标为：[dezeɪstɪl'kɒltʃɪsɪn]desacetylcolchicine的美式发音音标为：[dezeɪstɪl'kɒltʃɪsɪn]...