77533-66-5

[(2r,3s,4s,5r,6s)-6-[[(3s,4r,4as)-4-ethenyl-8-oxo-4,4a,5,6-tetrahydro-3h-pyrano[3,4-c]pyran-3-yl]oxy]-3,4,5-trihydroxyoxan-2-yl]methyl 3-hydroxybenzoate