Diazole

Diazole refers to either one of a pair of isomeric chemical compounds with molecular formula C3H4N2, 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)  [[image:Pyrazole numbering.png|80px|]]