(2R,3S,4R,8R,E)-8-(acryloyloxy)undeca-6,10-diene-2,3,4-tri-O-acetate

(2R,3S,4R,E)-7-[(R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]hept-6-ene-2,3,4-triyl triacetate