methyl (E)-4-((4S,5S)-5-((E)-buta-1,3-dien-1-yl)-2-(4-methoxyphenyl)-1,3-dioxan-4-yl)but-2-enoate

(4R,4aS,6S,7S,7aS)-7-((benzyloxy)methyl)-6-((4-methoxybenzyl)oxy)-4-methylhexahydrocyclopenta[c]pyran-3(1H)-one