SMILES: C[C@H]([C@H]1C(=O)NCC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCNCS(=O)(=O)O)CCNCS(=O)(=O)O)CC(C)C)CC(C)C)CCNCS(=O)(=O)O)NC(=O)[C@H](CCNCS(=O)(=O)O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CCNCS(=O)(=O)O)NC(=O)CCCCC(C)C)O
Description: The molecule is colistin B in which each of the primary amino groups is converted into the corresponding aminomethanesulfonic acid, commonly by the action of formaldehyde followed by sodium bisulfite. It is a polymyxin, an amino sulfonic acid and a peptide antibiotic. It derives from a colistin B. It is a conjugate acid of a colistimethate B(5-).