5,12-NAPHTHACENEDIONE, 10-((3-(((4R)-1-(4-CARBOXY-1-OXOBUTYL)-4-HYDROXY-L-PROLYL-L-ALANYL-L-SERYL-(2S)-2-CYCLOHEXYLGLYCYL-L-GLUTAMINYL-L-SERYL-L-LEUCYL)AMINO)-2,3,6-TRIDEOXY-.ALPHA.-L-LYXO-HEXOPYRANOSYL)OXY)-7,8,9,10-TETRAHYDRO-6,8,11-TRIHYDROXY-8-(2-HYD
5,12-naphthacenedione, 10-((3-(((4r)-1-(4-carboxy-1-oxobutyl)-4-hydroxy-l-prolyl-l-alanyl-l-seryl-(2s)-2-cyclohexylglycyl-l-glutaminyl-l-seryl-l-leucyl)amino)-2,3,6-trideoxy-.alpha.-l-lyxo-hexopyranosyl)oxy)-7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-(2-hyd