methyl 2,3,4,5-tetrahydro-[1,1'-biphenyl]-3-carboxylate

(3,4-dihydroxyphenyl)-(2,3,4-trihydroxyphenyl)methanone

2-ethoxy-2-methyl-1,3-benzodioxol-4-ol

2-methoxy-1,3-benzodioxol-4-ol

4-羟基-1,3-苯并二氧戊环-2-酮