(2-acetyloxy-1,3-dioxoinden-2-yl) acetate

(4-methyl-2-oxocyclohex-3-en-1-yl) acetate

[(3-methylbenzoyl)amino]methyl acetate

4-苄氧基苯基乙酸

(5-tert-butyl-1-methyl-6-oxocyclohexa-2,4-dien-1-yl) acetate