Synonyms: 2,6-Epoxy-2H-naphthaceno[1,2-b]oxocin,arugomycin deriv.; 2-Butenedioic acid (2E)-, 4''''(11)-monoester with(2R,3S,4S,5S,6R,11S,13S,14R)-methyl 11-[[O-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl-(1®4)-O-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl-(1®4)-O-2,6-dideoxy-a-L-lyxo-hexopyranosyl-(1®4)-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl]oxy]-5-[[O-2,6-dideoxy-3-O-methyl-a-L-lyxo-hexopyranosyl-(1®4)-O-2,3,6-trideoxy-3-C-methyl-3-nitro-b-L-ribo-hexopyranosyl-(1®4)-O-2,6-dideoxy-a-L-lyxo-hexopyranosyl]oxy]-4-(dimethylamino)-3,4,5,6,9,11,12,13,14,16-decahydro-3,8,10,13-tetrahydroxy-6,13-dimethyl-9,16-dioxo-2,6-epoxy-2H-naphthaceno[1,2-b]oxocin-14-carboxylate