(4S,4aR,5S,5aR,12aR)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methylene-3,12-dioxo-3,4,4a,5,5a,6,12,12a-octahydrotetracene-2-carboxamide; Methylenecycline; Tri-methacycline; Methacyclinum; 6-Methyleneoxytetracycline; Metacyclinum; Bialatan; Metaciclina; 6-Methylene-5-oxytetracycline; Methacycline base; 6-Methylene-5-hydroxytetracycline; Methacycline amphoteric
