9-(4,4-dimethyl-2-hydroxy-6-oxo-1-cyclohexenyl)-3,3,6,6-tetramethyl-1,8-dioxo-1,2,3,4,5,6,7,8-octahydroxanthene

3,3,6,6-tetramethyl-1,2,3,4,5,6,7,8-octahydroacridine-1,8-dione 10-oxide

3,4,6,7-tetrahydro-9-(4-methoxyphenyl)-3,3,6,6(2H,5H,9H,10H)-tetramethylacridine-1,8-dione

3,4,6,7-tetrahydro-3,3,6,6-tetramethyl-9-(4-hydroxyphenyl)acridine-1,8(2H,5H,9H,10H)-dione

3-羟基-5,5-二甲基环己-2-烯-1-酮