Kanshone A

Kanshone A is a sesquiterpene isolated from the roots of Nardostachys chinensis (Valerianaceae). Kanshone A shows cytotoxic with an IC50 value of 7.0 μg/ml in P388 cells[1][2].

[1] Yi Zhang, et al. Terpenoids from the roots and rhizomes of Nardostachys chinensis. J Nat Prod. 2005 Jul;68(7):1131-3. DOI:10.1021/np050125n
[2] Itokawa H, et al. Cytotoxic sesquiterpenes from Nardostachys chinensis. Chem Pharm Bull (Tokyo). 1993 Jun;41(6):1183-4. DOI:10.1248/cpb.41.1183