6-溴-7-甲氧基苯并[d][1,3]二氧代le-5-羧酸甲酯

(2-acetyloxy-5-carbonochloridoyl-3-methoxyphenyl) acetate

methyl 6-bromo-7-hydroxy-2,2-diphenylbenzo[d][1,3]dioxole-5-carboxylate