(4R,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-5,6,10,12,12a-pentahydroxy-6-methyl-1,3,11-trioxo-1,2,3,4,4a,5,5a,6,11,12a-decahydrotetracene-2-carboxamide, 98%, 5mg