hydroxytyrosol
4-carboxymethyl-5-ethylidene-6-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydropyran-2-yloxy)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester
(2S,4S,E)-4-(carboxymethyl)-3-ethylidene-2-{[(2R,3S,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-3,4-dihydro-2H-pyran-5-carboxylic acid
(-)-Elenolic acid
5-ethylidene-4-[3-hydroxy-2-(2-hydroxy-1-methyl-ethyl)-5-methylcyclopentylmethoxycarbonylmethyl]-6-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydropyran-2-yloxy)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester