The molecule is the 12-dehydro derivative of tetracycline. It is a tertiary alpha-hydroxy ketone and a member of tetracyclines. It is a tautomer of a 12-dehydrotetracycline zwitterion.
(4S,4aS,6S,12aR)-4-(dimethylamino)-1,6,10,12a-tetrahydroxy-6-methyl-3,11,12-trioxo-4a,5-dihydro-4H-tetracene-2-carboxamide