(4r,5s,6s,7r,9r,11e,13e,15r,16r)-6-(((3s,4s,5s,6s)-4-(dimethylamino)-3,5-dihydroxy-6-methyltetrahydro-2h-pyran-2-yl)oxy)-16-ethyl-4-hydroxy-7-(2-hydroxyethyl)-15-(hydroxymethyl)-5,9,13-trimethyloxacyclohexadeca-11,13-diene-2,10-dione