[3-(acetyloxymethyl)-1,4-dioxoanthracen-2-yl]methyl acetate

[4-acetyloxy-2,3-bis(bromomethyl)phenyl] acetate

1,4-dimethoxy-2,3-dimethylanthracene-9,10-dione

6,7-dimethyl-1,4-dioxaspiro[4.5]decan-8-one

1,4-二(甲氧基甲氧基)-2,3-二甲基苯