Compounds,2-Ring Heterocyclic

《英文msh詞典》Compounds,2-Ring Heterocyclic
[入口詞] Compounds,2-Ring Heterocyclic
[主題詞] Heterocyclic Compounds,2-Ring
[英文釋義] 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.