1-naphthacenecarboxylic acid, 2-ethyl-1,2,3,4,6,11-hexahydro-2,5, 7-trihydroxy-6,11-dioxo-4-[[2,3,6-trideoxy-4-O-[2,6-dideoxy-4-O-((2R-trans)-tetrahydro-6-methyl-5-oxo-2H-pyran-2-yl) -.alpha.-L-lyxo-hexopyranosyl]-3-(dimethylamino)-.alpha.-L-lyxo-hexopyranosyl]oxy]-, methyl ester,(1R-(1.alpha.,2.beta.,4.beta.))-(9CI)