Penicillide is a potential ACAT, Calpain, and Oxytocin Receptor inhibitor.Also, it is used in preparation of (Methyl)bicyclo[2.2.1]heptanecarboxylate (Methoxy)(oxo)dibenzo[b,g][1,5]dioxocinyl Ester derivatives (Penicillide analogs) and degenerate of their activity as inhibitors of cholesterol ester transfer protein.