Entospletinib （IC50= 7.7 nM）is a specific Syk inhibitor, which is orally bioavailable.

6-Chloro-7-deazapurine-β-D-riboside shows antifungal 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)