6-bromo-7-methoxy-1,3-benzodioxole-5-carboxylic acid

pentyl 3,4,5-trihydroxybenzoate

3,3',4,4',5,5'-六羟基-2,2'-亚甲基二(苯甲酸)

(3,4-dihydroxyphenyl)-(3,4,5-trihydroxyphenyl)methanone

3,4,5-tris(ethoxycarbonyloxy)benzoic acid