Benzoxazole, where the oxazole is fused to another aromatic ring.

苯并-{}-，-{}-于其他环相连。

Taking the example of the homoaromaticity of cyclooctriene cation and imidazole and oxazole basicity,the essay discusses the application of resonance theory.

文中以环辛三正离子同芳香性和咪与碱性为例,讨论了共振论应用。