Sesquiterpene lactones from Koanophyllon albicaule

King, 1987, Monogr. Syst. Bot., 22, 314 Bohlmann, 1981, Phytochemistry, 20, 1903, 10.1016/0031-9422(81)84032-0 Bohlmann, 1984, Phytochemistry, 23, 1190, 10.1016/S0031-9422(00)82642-4 Jakupovic, 1987, Phytochemistry, 26, 451, 10.1016/S0031-9422(00)81431-4 Marchand, 1979, J. Org. Chem., 44, 1322, 10.1021/jo01322a027 Schmeda-Hirschmann, 1983, Rev. Latinoam. Quim., 14, 36 Bohlmann, 1978, Phytochemistry, 17, 2101, 10.1016/S0031-9422(00)89289-4 Bohlmann, 1984, Liebigs Ann. Chem., 240, 10.1002/jlac.198419840206 Watson, 1986, J. Org. Chem., 51, 2521, 10.1021/jo00363a022 Zdero, 1990, Phytochemistry, 29, 3247, 10.1016/0031-9422(90)80193-K Fang, 1986, Phytochemistry, 25, 2665, 10.1016/S0031-9422(00)84535-5 Zdero, 1991, Phytochemistry, 30, 2991, 10.1016/S0031-9422(00)98238-4