(11E,13E)-6-{[4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-7-ethyl-4-hydroxy-5-methoxy-9,16-dimethyloxacyclohexadeca-11,13-diene-2,10-dione (non-preferred name) [ 66996-43-8 ]