2-(4-methoxyphenyloxy)-2-(4-methoxyphenyl)-5-phenyl-3,3-tetramethylen-1-oxa-3-azonia-2-boratacyclopentane

4-溴苯甲醚

4-碘苯甲醚

4-甲氧基三氟甲烷磺酸苯酯

3-甲基-CBS-氧硼啶