TAT-amide TFA is a cell penetrating peptide. The cell - penetrating peptides (CPPs) is a kind of access to the short amino acid sequence of different cells.

PGP-4008 is a selective and potent P-glycoprotein (Pgp) inhibitor that inhibits tumor growth by co-administration with Doxorubicin.

Cholesteryl formate (3beta-Acetoxy-cholest-5-ene), the first compounds to be isolated from red algae, is a cholesteryl ester.