PK68 is an effective and selective inhibitor of type II receptor-interacting kinase 1 (RIPK1, IC50 = 90?nM). PK68 can be used for research on the treatment of inflammatory disorders and cancer metastasis.

Praeruptorin C and E can relax swine coronary artery and decrease contractility in guinea-pig left atria, these effects are similar in many respects to those displayed by drugs that have calcium entry blocking activity.

Atrial Natriuretic Peptide (4-24), frog