(7R-(7alpha,8beta,10beta))-10-(((2''',3''-Anhydro)-O-3,6-dideoxy-alpha-L-erythro-hexopyranos-4-ulos-1-yl-(1-4)-O-2,6-dideoxy-alpha-L-lyxo-hexopyranosyl-(1-4)-2,3,6-trideoxy-3-(dimethylamino)-alpha-L-lyxo-heoxpyranosyl)oxy)-8-ethyl-7,8,9,10-tetrahydro-1,6,7,8,11-pentahydroxy-5,12-naphthacenedione 143413-62-1 5,12-Naphthacenedione, 10-(((2''',3''-anhydro)-O-3,6-dideoxy-alpha-L-erythro-hexopyranos-4-ulos-1-yl-(1-4)-O-2,6-dideoxy-alpha-L-lyxo-hexopyranosyl-(1-4)-2,3,6-trideoxy-3-(dimethylamino)-alpha-L-lyxo-heoxpyranosyl)oxy)-8-ethyl-7,8,9,10-tetrahydro-1,6,7,8,11-pentahydroxy-, (7R-(7alpha,8beta,10beta))- Betaclamycin B