4-hydroxy-3-(2-methylprop-1-enyl)naphthalene-1,2-dione

2-(2-hydroxypropan-2-yl)-2,3-dihydrobenzo[g][1]benzofuran-4,5-dione

3-hydroxy-2,2-dimethyl-3,4-dihydrobenzo[h]chromene-5,6-dione

2-羟基-3-(3-羟基-3-甲基丁基)-1,4-萘二酮