Voulkensin C–E, new 11-oxocassane-type diterpenoids and a steroid glycoside from Caesalpinia volkensii stem bark and their antiplasmodial activities. Submitted by drupal_dev on Mon, 03/15/2021 - 18:32 Publication Year 2013 Ochieng’, C.O.; Manguro, L.A.O.; Owuor, P.O.; Akala,H. Bio-organic & Medicinal Chemistry Letters, 23, 3088-3095.