Spinosyn B

(2R,3aS,5aR,5bS,9S,13S,14R,16aS,16bR) -9-ethyl-14-methyl-13- (((2R,5S,6R) -6-methyl-5- (methylamino) tetrahydro-2H-pyran-2-yl) oxy) -2- (((2R,3R,4R,5S,6S) -3,4,5-trimethoxy-6-methyltetrahydro-2H-pyran-2-yl) oxy) -2,3,3a,5a,5b,6,9,10,11,12,13,14,16a,16b-tetradecahydro-1H-as-indaceno[3,2-d][1]oxacyclododecine-7,15-dione