(4E,8E)-(S)-12-Benzyloxy-8-ethyl-4,10-dimethyl-dodeca-4,8-dienoic acid

(+)-(10S,14S,16R)-methyl 4,10,14,16-tetramethyl-8-ethyl-16-(2'-methyl-1',3'-dioxolan-2'-yl)heptadeca-4(E),8(E),12(E)-trienoate