噁二唑是一类杂环芳香族化合物，分子式为C2H2N2O。噁二唑有四种异构体：1,2,4-噁二唑、1,2,5-噁二唑和1,3,4-噁二唑。VIR、布他拉明、法西普林、奥沙拉明和普利康利。1，2，3-异构体不稳定，开环形成重氮酮互变异构体，但它确实存在于不寻常的正丁酮基序内。
3-(Chloromethyl)-5-phenyl-1,2,4-oxadiazole
5-(5-((2,4-Dimethylthiazol-5-yl)methyl)-1,3,4-oxadiazol-2-yl)-1-ethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-b]pyridin-4-amine
2-(6-(4-(2-Chloro-5-fluorophenoxy)piperidin-1-yl)pyridazin-3-yl)-5-methyl-1,3,4-oxadiazole
Ethyl 5-phenyl-1,2,4-oxadiazole-3-carboxylate
5-Methyl-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1,2,4-oxadiazole
3-Methyl-1,2,5-oxadiazole
Methyl 2-ethoxy-1-((2'-(5-oxo-2,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate
2-(Chloromethyl)-5-(4-fluorophenyl)-1,3,4-oxadiazole
N-((5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)methyl)cyclopropanamine
2-(Chloromethyl)-5-(4-chlorophenyl)-1,3,4-oxadiazole
5-Isopropyl-1,3,4-oxadiazol-2(3H)-one
Ethyl 5-(((tert-butoxycarbonyl)amino)methyl)-1,2,4-oxadiazole-3-carboxylate
5-(2-Bromophenyl)-1,3,4-oxadiazol-2-amine
5-(Pyridin-3-yl)-1,3,4-oxadiazole-2-thiol
5-(4-Bromophenyl)-1,3,4-oxadiazole-2-thiol
5-(4-Chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione
2-Benzyl-5-(chloromethyl)-1,3,4-oxadiazole
5-(p-Tolyl)-1,3,4-oxadiazole-2(3H)-thione
5-(p-Tolyl)-1,3,4-oxadiazol-2-amine
5-Phenyl-1,3,4-oxadiazole-2(3H)-thione
5-(Pyridin-4-yl)-1,3,4-oxadiazole-2-thiol
5-(Chloromethyl)-3-(thiophen-2-yl)-1,2,4-oxadiazole
N-(4-Amino-1,2,5-oxadiazol-3-yl)acetamide
(5-Methyl-1,3,4-oxadiazol-2-yl)methanol
Methyl 3-(5-(2-fluorophenyl)-1,2,4-oxadiazol-3-yl)benzoate
(1,2,4-Oxadiazol-3-ylmethyl)amine hydrochloride
4-(1H-Benzo[d]imidazol-2-yl)-1,2,5-oxadiazol-3-amine
5-Cyclopropyl-1,3,4-oxadiazol-2-amine
5-Ethyl-1,3,4-oxadiazol-2-amine
