Synonyms: 3-Hydroxy-1-methylpyridiniumbromide, hexamethylenebis[methylcarbamate] (6CI,7CI);Pyridinium,3,3'-[1,6-hexanediylbis[(methylimino)carbonyl]oxy]bis[1-methyl-, dibromide(9CI);Pyridinium, 3-hydroxy-1-methyl-, bromide,hexamethylenebis[methylcarbamate] (2:1) (8CI);BC 51;Distigmine bromide;Distigmine dibromide;Hexamarium;N,N'-Hexamethylenebis(3-N-methylcarbamoxy-1-methylpyridine)dibromide;Ubretid;Ubritil;3,3'-{1,6-Hexanediylbis[(methylcarbamoyl)oxy]}bis(1-methylpyridinium) dibromide;