Term Name:	colistin A sodium methanesulfonate
Synonyms:	colistin A sulfomethate sodium, pentasodium {[(3S)-4-{[(3S,6S,9S,12S,15R,18S,21S)-3-[(1R)-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-{[(2S,3R)-3-hydroxy-2-({(2S), polymyxin E1 sodium methanesulfonate, polymyxin E1 sulfomethate sodium
Definition:	Colistin A in which each of the primary amino groups is converted into the corresponding aminomethanesulfonic acid sodium salt, commonly by treatment with formaldehyde followed by sodium bisulfite.
Ontology:	ChEBI [CHEBI:59663]  ( EBI )