Synonyms: (4S,4aR,5S,5aR,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-2-naphthacenecarboxamide hydrochloride, 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-, monohydrochloride (8CI), 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-, monohydrochloride, (4S,4aR,5S,5aR,12aS)- (9CI), 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-, monohydrochloride, [4S-(4α,4aα,5α,5aα,12aα)]-, 6-Demethyl-6-deoxy-5-hydroxy-6-methylenetetracycline hydrochloride, 6-Demethyl-6-deoxy-6-methylene-5-hydroxytetracycline hydrochloride, 6-Demethyl-6-deoxy-6-methyleneoxytetracycline monohydrochloride, 6-Methylene-5-hydroxytetracycline chlorohydrate, 6-Methylene-5-hydroxytetracycline hydrochloride, 6-Methyleneoxytetracycline hydrochloride, Adriamicina, Ciclobiotic, Germiciclin, Londomycin, Metacyclin hydrochloride, Metacycline hydrochloride, Metadomus, Methacycline hydrochloride, Methacycline monohydrochloride, Metilenbiotic, Optimycin, Physiomycine, Rindex, Doxycycline Monohydrate Imp. B (EP) as Hydrochloride