(6-bromo-benzo[1,3]dioxol-5-yl)-pyruvic acid

(6-溴-1,3-苯并二氧代l-5-基)甲醇

5-溴-6-氯甲基-1,3-苯并间二氧杂环戊烯

6-溴-3,4-亚甲基二氧苯甲醛