Synonyms: 2-Naphthacenecarboxamide,7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-N-(hydroxymethyl)-6-methyl-1,11-dioxo-(7CI,8CI); 2-Naphthacenecarboxamide,7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-N-(hydroxymethyl)-6-methyl-1,11-dioxo-,[4S-(4a,4aa,5aa,6b,12aa)]-;7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-N-(hydroxymethyl)-6-methyl-1,11-dioxo-2-naphthacenecarboxamide;Chlormethylenecycline; Chlortetracycline, N-methylol-; Clomocycline; Megachlor;Megaclor; N-Methylolchlorotetracycline