Colistimethate Sodium

Chemical Name: Sodium (5S,8S,11S)-8-((R)-1-hydroxyethyl)-5-(((3S,6S,9S,12S,15R,18S,21S)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-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)carbamoyl)-11-((R)-6-methyloctanamido)-7,10-dioxo-2,6,9,14-tetraazapentadecane-1,15-disulfonate

Smile: O=S(CNCC[C@@H](C(N[C@@H](CCNC1=O)C(N[C@@H](CCNCS(=O)([O-])=O)C(N[C@H](CC(C)C)C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H]1[C@@H](C)O)=O)CCNCS([O-])(=O)=O)=O)CCNCS(=O)([O-])=O)=O)CC(C)C)=O)=O)=O)=O)NC([C@H]([C@H](O)C)NC([C@@H](NC(CCCC[C@H](C)CC)=O)CCNCS(=O)([O-])=O)=O)=O)([O-])=O.[Na+].[Na+].[Na+].[Na+].[Na+]