2-(carboxymethoxy)-4-methoxybenzoic acid

3,10,11-trimethoxy-8H-dibenz[b,e]oxonin-7,13-dione

2,3,4,5,6,7-hexachloroinden-1-one

2-甲基-5-亚甲基己二酸

3,4,5,7-tetramethylchromen-2-one