8,8-dimethyl-7,9-dioxaspiro[4.5]dec-2-ene

tetradecane-2,5-dione

(2S,3R)-3-Allyl-2-(1-methoxy-1-methylethoxy)bernsteinsaeure-diethylester

dimethyl (S)-2-((2-methoxypropan-2-yl)oxy)succinate

(9S)-9-dihydro-9,11-O-isopropylidene-3,5-O-(p-methoxybenzylidene)erythronolide