ethyl 3-bromo-4-(bromomethyl)benzoate

4-(甲氧基羰基)-3-溴苯甲酸

二甲基 4-甲基异邻苯二甲酸酯

11,11-dioxobenzo[b][1]benzothiepine-2-carboxylic acid

(11,11-dioxobenzo[b][1]benzothiepin-2-yl)methanol