Synonyms: (1R)-2α,5,7-Trihydroxy-2-methyl-6,11-dioxo-1,2,3,4,6,11-hexahydronaphthacene-1β-formic acid methyl ester;(1R,2R)-2-Methyl-1,2,3,4,6,11-hexahydro-2,5,7-trihydroxy-6,11-dioxo-1-naphthacenecarboxylic acid methyl ester;[1R,(+)]-1,2,3,4,6,11-Hexahydro-2α,5,7-trihydroxy-2-methyl-6,11-dioxo-1β-naphthacenecarboxylic acid methyl ester;4-Deoxyauramycinone;7-Deoxyauramycinone