5,12-Naphthacenedione, 8-ethyl-7,8,9,10-tetrahydro-1,4,6,8,11-pentahydroxy-7-((2,3,6-trideoxy-3-(dimethylamino)-4-O-((2S-(2alpha,5beta(2R*,5R*,6R*),6beta))-tetrahydro-6-methyl-5-((tetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)oxy)-2H-pyran-2-yl)-alph))