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三、三环二螺旋缩酮分子中含有一个三环,此三环为二螺旋缩酮。盐霉素(Salinomycins)族这一族抗生素有盐霉素,奈良菌素(Narasin)等,图24为几个有关化合物的结构。
Three, tricyclic two spiral ketal contains a tricyclic molecule, the three ring for the two spiral ketal. Salinomycins (Salinomycins) family of antibiotics such as salinomycin Narasin (Narasin), Figure 24 shows the structure of several related compounds.