The molecular structure and absolute configuration of the antibiotic K-41 has been established by X-ray crystal structure analyses of the sodium salts of its p-iodo- and p-bromo-benzoates.

中文翻译：

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X射线测定聚醚抗生素K-41的结构

抗生素K-41的分子结构和绝对构型已通过对其对-碘-和对-溴-苯甲酸盐的钠盐进行X射线晶体结构分析来确定。