Imidazolenoun
(organic compound) A heterocyclic organic compound containing two nitrogen atoms separated by a carbon atom in a five-membered ring, called 1,3-diazole in IUPAC nomenclature.
Imidazolenoun
(organic compound) A group of compounds containing that structure.
Imidazolenoun
an organic base C3H4N2; a histamine inhibitor
Imidazole
Imidazole is an organic compound with the formula C3N2H4. It is a white or colourless solid that is soluble in water, producing a mildly alkaline solution.
Triazolenoun
(organic compound) either of two isomeric heterocyclic compounds having a five-membered ring with three nitrogen atoms and two double bonds in the ring; any organic derivative of these compounds
Triazole
A triazole refers to any of the heterocyclic compounds with molecular formula C2H3N3, having a five-membered ring of two carbon atoms and three nitrogen atoms. There are two sets of isomers that differ in the relative positions of the three nitrogen atoms.