2-Ring Heterocyclic Compounds

《英文msh词典》2-Ring Heterocyclic Compounds
[入口词] 2-Ring Heterocyclic Compounds
[主题词] Heterocyclic Compounds,2-Ring
[中文释义] 2环杂环化合物
[英文释义] A class of organic compounds containing two ring structures,one of which is made up of more than one kind of atom,usually carbon plus another atom. The heterocycle may be either aromatic or nonaromatic.