Pendulone could be a valuable chemopreventive agent, it shows strong inhibition on the effect of the cell cycle induced by TPA and shows potent anti-tumor-promoting activity for an in vivo two-stage carcinogenesis test.

Reactive Blue 4 is an anthraquinone dye with phytotoxic, cytotoxic, and genotoxic.

2-Hydroxynaringenin is a flavonoid. 2-Hydroxynaringenin can be isolated from Paeoniae Alba.