1-Heptadecanol is a natural product from Solena amplexicaulis leaves with antibacterial activity.

Polymyxin B nonapeptide, a cationic cyclic peptide derived by enzymatic processing from the naturally occurring peptide polymyxin B, is able to increase the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics probably by binding to the bacterial lipopolysaccharide (LPS)

A third-generation cephalosporin antibiotic that has been used to treat bacterial infections of the skin and respiratory tract.