Biphenyl-4-carboxylic acid (3aR,4R,5R,6aS)-4-((E)-(R)-3-(R)-2,3-dihydro-benzofuran-2-yl-3-hydroxy-propenyl)-2-oxo-hexahydro-cyclopenta[b]furan-5-yl ester

((R)-2-2,3-Dihydro-benzofuran-2-yl-2-oxo-ethyl)-phosphonic acid dimethyl ester