Wiktionary
diazole
n. (context organic compound English) Either of two unsaturated heterocycles consisting of a five-membered ring containg three carbon atoms, two nitrogen atoms and two double bonds - namely pyrazole and imidazole
Wikipedia
Diazole
Diazole refers to either one of a pair of isomeric chemical compounds with molecular formula CHN, having a five-membered ring consisting of three carbon atoms and two nitrogen atoms.
The two isomers are:
- Imidazole (1,3-diazole) image:Imidazole chemical structure.png
- Pyrazole (1,2-diazole) 80px|