| Heterocyclic chemistry | เคมีเฮทเทอโรไซคลิก [TU Subject Heading] |
| Heterocyclic compounds | สารประกอบเฮทเทอโรไซคลิก [TU Subject Heading] |
| heterocyclic | (adj) containing a closed ring of atoms of which at least one is not a carbon atom |
| heterocyclic compound | (n) a compound containing a heterocyclic ring, Syn. heterocycle, heterocyclic |
| heterocyclic ring | (n) a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon, Syn. heterocycle |