Monascin is a kind of azaphilonoid pigments extracted from Monascus pilosus-fermented rice (red-mold rice).

6-Prenylapigenin is a biologically active flavonoid with anti-tumor activity and antiangiogenic properties. 6-Prenylapigenin exerts cytotoxicity against cancer cells, such as leukemia and solid cancer cells.

Kuwanon B is a flavone derivative that can be found in the root bark of the cultivated mulberry tree (a variety of Morus alba L.).