2-(3,4-Dihydroxyphenyl)-1-(2,3,4-trihydroxyphenyl)ethanone

methyl 2-(2,2-dimethyl-1,3-benzodioxol-5-yl)acetate

(3,4-二羟基苯基)乙酰氯

benzyl 3,4-dibenzyloxy phenylacetate

4-(2-methoxy-2-oxoethyl)-1,2-phenylene diacetate