(2Z,4S,4aS,12aS)-2-(amino-hydroxy-methylidene)-4-dimethylamino-10,11,1 2a-trihydroxy-6-methyl-4a,5-dihydro-4H-tetracene-1,3,12-trione
(2Z,4S,4aS,12aS)-2-(amino-hydroxy-methylidene)-4-dimethylamino-10,11,1 2a-trihydroxy-6-methyl-4a,5-dihydro-4H-tetracene-1,3,12-trione