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。
1,3,4-Oxadiazole
2-(Chloromethyl)-5-methyl-1,3,4-oxadiazole
Ethyl 5-amino-1,3,4-oxadiazole-2-carboxylate
Ethyl 5-methyl-1,3,4-oxadiazole-2-carboxylate
Ethyl 5-bromo-1,3,4-oxadiazole-2-carboxylate
5-(tert-Butyl)-1,3,4-oxadiazol-2-amine
2-(3-Bromophenyl)-5-methyl-1,3,4-oxadiazole
3-(5-Mercapto-1,3,4-oxadiazol-2-yl)benzonitrile
2-(4-Bromophenyl)-5-methyl-1,3,4-oxadiazole
5-Phenyl-1,3,4-oxadiazol-2-amine
2-Bromo-5-phenyl-1,3,4-oxadiazole
2-Phenyl-1,3,4-oxadiazole
3-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid
4-(5-(Trifluoromethyl)-1,2,4-oxadiazol-3-yl)benzoic acid
5-(Chloromethyl)-3-(4-fluorophenyl)-1,2,4-oxadiazole
4-(5-Ethyl-1,2,4-oxadiazol-3-yl)benzoic acid
3-(5-Ethyl-1,2,4-oxadiazol-3-yl)benzoic acid
4,4'-(1,3,4-Oxadiazole-2,5-diyl)diphenol
2,5-Diphenyl-1,3,4-oxadiazole
2,5-Bis(4-bromophenyl)-1,3,4-oxadiazole
2-(4-Bromophenyl)-5-phenyl-1,3,4-oxadiazole
2-(3-Bromophenyl)-5-phenyl-1,3,4-oxadiazole
2,5-Bis(3-bromophenyl)-1,3,4-oxadiazole
1,2,5-Oxadiazol-3-amine
1,2,5-Oxadiazole-3-carboxylic acid
4-Amino-N-hydroxy-1,2,5-oxadiazole-3-carbimidoyl chloride
Ethyl 4-amino-1,2,5-oxadiazole-3-carboxylate
4-Methyl-1,2,5-oxadiazole-3-carboxylic acid
4-Amino-1,2,5-oxadiazole-3-carboxylic acid
3,4-Dimethyl-1,2,5-oxadiazole
