(4R,5S,6S,7R,9R,11E,13E,15R,16R)-15-({[(2R,3R,4R,5R,6R)-5-hydroxy-3,4-dimethoxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}methyl)-6-{[(2R,3R,4S,5S,6R)-4-(dimethylamino)-3,5-dihydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-7-{2-[(3R,5S)-3,5-dimethylhexahydropyridin-1-yl]ethyl}-16-ethyl-4-hydroxy-5,9,13-trimethyloxacyclohexadeca-11,13-diene-2,10-dione