2-[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-10-{[(2R,5S,6R)-5-(dimethylamino)-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,5S,6S)-4,4,5-trihydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-4-hydroxy-5-methoxy-9,16-dimethyl-2-oxooxacyclohexadeca-11,13-dien-7-yl]acetaldehyde