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依维菌素 (ｉｖｅｒｍｅｃｔｉｎ ,ＩＶＭ )和ｄｏｒａｍｅｃｔｉｎ(ＤＯＭ)属除虫菌素类广谱抗寄生虫药 ,具有大环内酯结构。ＩＶＭ为 2个组分的混合物 ,其中 2 2 ,2 3 二羟基 除虫菌素Ｂ1ａ的含量大于 80 % ,2 2 ,2 3 二羟基 除虫菌素Ｂ1ｂ小于2 0 %。由于混合物中以Ｂ1ａ为
Ivermectin (IVM) and doramectin (DOM) are a broad-spectrum antiparasitic avermectins with a macrolide structure. IVM is a mixture of two components, wherein the content of 2 2, 2 dihydroxy-avermectin B1 a is more than 80% and the 2 2, 2 dihydroxy-avermectin B1 b is less than 20%. Because the mixture to B1a