Answer | Crossword Clue |
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heterocyclic | Denoting a compound whose molecule contains a ring of atoms of at least two elements (one of which is generally carbon) |
triazoles | Any compound whose molecule contains a ring of three nitrogen and two carbon atoms, in particular each of five isomeric compounds containing such a ring with two double bonds |
triazolic | relating to triazole, any compound whose molecule contains a ring of three nitrogen and two carbon atoms |