Definition: Compounds containing 1,3-diazole, a five membered aromatic ring containing two nitrogen atoms separated by one of the carbons. Chemically reduced ones include IMIDAZOLINES and IMIDAZOLIDINES. Distinguish from 1,2-diazole (PYRAZOLES).
moxonidine [ 4-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-6-methoxy-2-methyl-5-pyrimidinamine,BE 5895,BE-5895,Cynt,Lilly brand of moxonidine,Moxon,Normatens,Physiotens,Solvay brand of moxonidine,Zint,moxonidin ] structure given in first source