(2R,3R,6R,7S,8S,9R,10R)-7-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-9-{[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-3-[(2R,3R)-2,3-dihydroxypent-2-yl]-2,6,8,10,12-pentamethyl-4,13-dioxabicyclo[8.2.1]tridec-1(12)-en-5-one