METHYL (1S,2R,6R,8R,9S)-8-HYDROXY-9-METHYL-2-[(2S,3R,4S,5R,6R)-3,4,5-TRIHYDROXY-6-[(3-HYDROXYBENZOYL)OXYMETHYL]OXAN-2-YL]OXY-3-OXABICYCLO[4.3.0]NON-4-ENE-5-CARBOXYLATE