2-Naphthacenecarboxamide, 1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-4-(dimethylamino)-6-methyl-1,11-dioxo-, (4R,4aS,5aS,6S,12aS)- 2-Naphthacenecarboxamide, 1,4,4a,5,5a,6,11,12a-octahydro-4-(dimethylamino)-1,11-dioxo-6-methyl-3,6,10,12,12a-pentahydroxy-, 4-epimer 4-Epitetracycline 79-85-6 Epitetracycline Quatrimycin epi-Tetracycline