allyl ((S,2E,4E)-6-(allyloxy)-1-((2R,5S,7R,8S)-7-((2E,4E,6S,7S,8E)-10-(allyloxy)-6-hydroxy-3,7-dimethyl-10-oxodeca-2,4,8-trien-1-yl)-2-butyl-8-methyl-1,6-dioxaspiro[4.5]decan-2-yl)-4-methyl-6-oxohexa-2,4-dien-1-yl) succinate