Nine New Cytotoxic Monotetrahydrofuranic Annonaceous Acetogenins from Annona montana - Liaw, Chih-Chuang; Chang, Fang-Rong; Wu, Chin-Chung; Chen, Shu-Li; Bastow, Kenneth F; Hayashi, Ken-ichiro; Nozaki, Hiroshi; Lee, Kuo-Hsiung; Wu, Yang-Chang (Planta Medica, 2004)