Synonyms: Colimicina;Colimycin M;Colimyscine;Colistimethate;Colistin;Colistin sodium methanesulfonate;Colistin sulfomethate;Colistin sulfomethate sodium;Colistinemethanesulfonate sodique;Colistrimethate sodium;Colomycin;Coly-Mycin M;Coly-Mycin M Parenteral;Coly-mycin;Coly-mycin injectable;Colymycin M;Pentasodium colistinmethanesulfonate;Sodium colistimethate;Sodium colistin methanesulfonate;Sodium colistinemethanesulfonate;W 1929;Colistinmethanesulfonic acid, sodium salt;pentasodium [(4-{[3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-6,9,18-tris{2-[(sulfonatomethyl)amino]ethyl}-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl]amino}-3-{[3-hydroxy-2-({2-[(6-methyloctanoyl)amino]-4-[(sulfonatomethyl)amino]butanoyl}amino)butanoyl]amino}-4-oxobutyl)amino]methanesulfonate