Licoricidin, is a potent anti-metastatic agent, which can markedly inhibit the metastatic and invasive capacity of malignant prostate cancer cells.

Tiamulin is a semisynthetic pleuromutilin antibiotic.

Carbobenzoxyphenylalanine is a thermolysin inhibitor.The protease can be inhibited by the serine specific reagents phenylmethanesulfonyl fluoride and diisopropyl fluorophosphate and the alkylating reagent, carbobenzoxyphenylalanine chloromethyl ketone, in the presence of organic solvents at 1 mM concentration.?