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。
4-Amino-N'-hydroxy-1,2,5-oxadiazole-3-carboximidamide
4-Amino-1,2,5-oxadiazole-3-carbonitrile
Methyl 4-amino-1,2,5-oxadiazole-3-carboxylate
4-Methyl-1,2,5-oxadiazol-3-amine
1,2,5-Oxadiazole-3,4-diamine
3-Bromo-5-methyl-1,2,4-oxadiazole
Ethyl 3-bromo-1,2,4-oxadiazole-5-carboxylate
Ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate
Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate
(5-Methyl-1,2,4-oxadiazol-3-yl)methanamine hydrochloride
Ethyl 5-(tert-butyl)-1,2,4-oxadiazole-3-carboxylate
5-(Chloromethyl)-3-methyl-1,2,4-oxadiazole
Potassium 5-methyl-1,2,4-oxadiazole-3-carboxylate
5-Methyl-1,2,4-oxadiazol-3-amine
(3-Methyl-1,2,4-oxadiazol-5-yl)methanol
Ethyl 5-amino-1,2,4-oxadiazole-3-carboxylate
(5-(Trifluoromethyl)-1,2,4-oxadiazol-3-yl)methanamine hydrochloride
3-(Chloromethyl)-5-ethyl-1,2,4-oxadiazole
5-(Chloromethyl)-3-(trifluoromethyl)-1,2,4-oxadiazole
3-(Chloromethyl)-5-methyl-1,2,4-oxadiazole
2-(5-(tert-Butyl)-1,2,4-oxadiazol-3-yl)ethan-1-amine hydrochloride
{2-[3-(methoxymethyl)-1,2,4-oxadiazol-5-yl]ethyl}amine hydrochloride
Ethyl 5-(aminomethyl)-1,3,4-oxadiazole-2-carboxylate 2,2,2-trifluoroacetate
2-Methyl-1,3,4-oxadiazole
5-Methyl-1,3,4-oxadiazole-2-thiol
5-Methyl-1,3,4-oxadiazol-2-amine
Potassium 5-methyl-1,3,4-oxadiazole-2-carboxylate
1,3,4-Oxadiazol-2-amine
Methyl 5-methyl-1,3,4-oxadiazole-2-carboxylate
Ethyl 5-(((tert-butoxycarbonyl)amino)methyl)-1,3,4-oxadiazole-2-carboxylate
