6-bromo-7-methoxy-2,2-diphenylbenzo[1,3]dioxole-5-carboxylic acid methyl ester

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

methyl 3-(benzyloxy)-4,5-dihydroxybenzoate

7-羟基-1,3-苯并二氧戊环-5-羧酸甲酯