(S)-5-{(S)-[2,4-Dimethoxy-5-(3-methoxy-propyl)-phenyl]-methoxy-methyl}-2,2,4,4-tetramethyl-[1,3]dioxolane

2-[(Z)-3-hydroxy-1-propenyl]-5-methoxyphenyl acetate

(Z)-3-[2-(acetyloxy)-4-methoxyphenyl]acrylic acid