CAS No 6153-64-6 , Oxytetracycline dihydrateOxytetracycline dihydrateOxytetracycline dihydrateOxytetracycline dihydrate4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide dihydrateOxytetracycline dihydrateOxytetracycline dihydrateOxytetracycline dihydrateOxytetracycline dihydrate4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide dihydrate