Didrovaltrate (Didrovaltratum), isolated from the roots of Valeriana wallichii D.C, is a cytotoxic and antitumor agent.

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.

Sarafotoxin S6b is a vasoconstrictor peptide, and a non-selective endothelin receptor agonist. Sarafotoxin S6b can induce contraction in isolated human coronary arteries , the Ki values of Coronary artery, Saphenous vein and Coronary artery are 0.27, 0.55 and 19.5 nM, respectively.