annamycin

(7S,9S)-7-[(2R,3R,4R,5R,6S)-4,5-Dihydroxy-3-iodo-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-9-(2-hydroxyacetyl)-8,10-dihydro-7H-tetracene-5,12-dione