HQNO is a natural product isolated from P. aeruginosa,and is a potent inhibitor of electron transport chain(Kd of 64 nM for complex III).

6-Hydroxykaempferol 3,6-di-O-glucoside and 6-hydroxykaempferol 3,6,7-tri-O-glucoside can inhibit platelet aggregation induced by collagen, they also show weak inhibitory effects on the adenosine 5'-diphosphate (ADP)- induced platelet aggregation.

Mulberrofuran Q is an active compound that inhibits the formation of 12-hydroxy-5,8,10-heptadecatrienoic acid (HHT) and thromboxane B2 (cyclooxygenase product) , which protects neuronal cells from hypoxia-glycorrhoea-deficiency (OGD)-induced oxidative stress.