<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2010) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2010) (Learn how and when to remove this template message) </Td> </Tr> <Table> Polymyxin B <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Clinical data </Th> </Tr> <Tr> <Th> AHFS / Drugs.com </Th> <Td> International Drug Names </Td> </Tr> <Tr> <Th> Pregnancy category </Th> <Td> <Ul> <Li> </Li> </Ul> </Td> </Tr> <Tr> <Th> Routes of administration </Th> <Td> Topical, Intramuscular, Intravenous, Intrathecal, or Ophthalmic </Td> </Tr> <Tr> <Th> ATC code </Th> <Td> <Ul> <Li> A07AA05 (WHO) J01XB02 (WHO) S01AA18 (WHO) S02AA11 (WHO) S03AA03 (WHO) QJ51XB02 (WHO) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Legal status </Th> </Tr> <Tr> <Th> Legal status </Th> <Td> <Ul> <Li> In general: Over-the - counter (OTC) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name (show) <Ul> <Li> N - (4 - amino - 1 - ((1 - ((4 - amino - 1 - oxo - 1 - ((6, 9, 18 - tris (2 - aminoethyl) - 15 - benzyl - 3 - (1 - hydroxyethyl) - 12 - (2 - methylpropyl) - 2, 5, 8, 11, 14, 17, 20 - heptaoxo - 1, 4, 7, 10, 13, 16, 19 - heptazacyclotricos - 21 - yl) amino) butan - 2 - yl) amino) - 3 - hydroxy - 1 - oxobutan - 2 - yl) amino) - 1 - oxobutan - 2 - yl) - 6 - methyloctanamide </Li> </Ul> </Td> </Tr> <Tr> <Th> CAS Number </Th> <Td> <Ul> <Li> 1405 - 20 - 5 </Li> </Ul> </Td> </Tr> <Tr> <Th> PubChem CID </Th> <Td> <Ul> <Li> 5702105 </Li> </Ul> </Td> </Tr> <Tr> <Th> DrugBank </Th> <Td> <Ul> <Li> DB00781 </Li> </Ul> </Td> </Tr> <Tr> <Th> ChEMBL </Th> <Td> <Ul> <Li> CHEMBL1201283 </Li> </Ul> </Td> </Tr> <Tr> <Th> NIAID ChemDB </Th> <Td> <Ul> <Li> 007797 </Li> </Ul> </Td> </Tr> <Tr> <Th> ECHA InfoCard </Th> <Td> 100.014. 340 </Td> </Tr> <Tr> <Th_colspan="2"> Chemical and physical data </Th> </Tr> <Tr> <Th> Formula </Th> <Td> </Td> </Tr> <Tr> <Th> Molar mass </Th> <Td> 1301.56 g / mol </Td> </Tr> <Tr> <Th_colspan="2"> (what is this?) (verify) </Th> </Tr> </Table>

An interesting feature of polymyxin b is that this antibiotic