The molecule is an anthracycline obtained by hydrolysis of the methyl ester group of aclacinomycin T. It is an anthracycline, an aminoglycoside, a deoxy hexoside, a monosaccharide derivative, a hydroxy monocarboxylic acid and a member of p-quinones. It derives from an aklavinone. It is a tautomer of a 15-demethylaclacinomycin T zwitterion.
(1R,2R,4S)-4-[(2R,4S,5S,6S)-4-(dimethylamino)-5-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-2,5,7-trihydroxy-6,11-dioxo-3,4-dihydro-1H-tetracene-1-carboxylic acid