2-Naphthacenecarboxylic acid, 8-ethoxy-6,6a,7,10,10a,11-hexahydro-6a,7,10a,12-tetrahydroxy-3-methoxy-1-methyl-6,10,11-trioxo-, methyl ester 3-Demethoxy-3-ethoxytetracenomycin C 3-Detc 79495-72-0