3-(hydroxymethyl)-4-methylpent-4-en-2-one

1-hydroxy-5-methyl-hex-4-en-3-one

3,3-bis-hydroxymethyl-4-methyl-pent-4-en-2-one

1-(5,8-dihydroxy-3-methyl-1,4-dihydronaphthalen-2-yl)ethanone

ethyl 2-(2-methyl-4-oxopentan-2-yl)sulfanylacetate