Synonyms: Butanedioicacid, monoester with 5-[[O-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl-(1®4)-O-2,3,6-trideoxy-3-nitro-b-L-ribo-hexopyranosyl-(1®4)-2,3,6-trideoxy-3-C-methyl-3-nitro-b-L-ribo-hexopyranosyl]oxy]-4-(dimethylamino)-3,4,5,6,11,12,13,14-octahydro-3,10,13,15-tetrahydroxy-6,13-dimethyl-11-[[2,3,6-trideoxy-3-(dimethylamino)-a-L-lyxo-hexopyranosyl]oxy]-2,6-epoxy-2H-naphthaceno[1,2-b]oxocin-9,16-dione;Antibiotic 301B;2,6-Epoxy-2H-naphthaceno[1,2-b]oxocin-9,16-dione,5-[[O-4-O-(3-carboxy-1-oxopropyl)-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl-(1®4)-O-2,3,6-trideoxy-3-nitro-b-L-ribo-hexopyranosyl-(1®4)-2,3,6-trideoxy-3-C-methyl-3-nitro-b-L-ribo-hexopyranosyl]oxy]-4-(dimethylamino)-3,4,5,6,11,12,13,14-octahydro-3,10,13,15-tetrahydroxy-6,13-dimethyl-11-[[2,3,6-trideoxy-3-(dimethylamino)-a-L-lyxo-hexopyranosyl]oxy]- (9CI)