2-methyl-[1,3]thiazino[3,2-a]benzimidazol-4-one

benzyl 2,4-dihydroxy-6-methylbenzoate

Benzyl 3-oxobutanoate

ethyl 2-heptyl-4,6-dihydroxybenzoate

N-(2-methylpropanoyl)-3-oxobutanamide