(Z)-(2R,4S,8S)-8-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,4-dimethyl-non-5-enoic acid

(S,Z)-methyl 5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)hex-2-enoate