Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.
成了无硫、磷的六元含氮杂环化
添加剂。


Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.
成了无硫、磷的六元含氮杂环化
添加剂。
声明:以上例
、词性分类均

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