(E)-3-[2-Oxo-5alpha-[(1S,2E)-1-hydroxy-2,4-dimethyl-2-decenyl]-4,5-dihydrofuran-3(2H)-ylidene]propanoic acid

(E)-3-[2-Oxo-5alpha-[(1S,2E)-1-hydroxy-2,4-dimethyl-2-decenyl]-4,5-dihydrofuran-3(2H)-ylidene]propanoic acid