(4R,4aS,5aR,12aS)-4,7-bis(dimethylamino)-1,10,11,12a-tetrahydroxy-3,12-dioxo-3,4,4a,5,5a,6,12,12a-octahydrotetracene-2-carboxamide; (4-epi Minocycline)
(4R,4aS,5aR,12aS)-4,7-bis(dimethylamino)-1,10,11,12a-tetrahydroxy-3,12-dioxo-3,4,4a,5,5a,6,12,12a-octahydrotetracene-2-carboxamide; (4-epi Minocycline)