2Rojatkar S R, Nagasampagi B A. Diterpenes from Cipadessa frudcosa [J]. Phytochemistry, 1994, 37: 505-507.
3Luo X D, Wu S H, Ma Y B, et al. Components of Cipadessa baccifera [J]. Phytochemistry, 2000, 55: 867-872.
4Yuan X H, Li B G, Zhou M, et al. Cipadesins A-C: Novel tetranortriterpenoids from Cipadessa cinerascens [J]. Org Lett, 2005, 7: 5051-5053.
5Macias F A, Oliva R O, Varela R M, et al. Allelochemicals from sunflower leaves cv. Peredovik [J]. Phytochemistry, 1999, 52: 613-621.
6Karo T, Tsunakawa M, Sasaki N, et al. Growth and germination inhibitors in rice husks [J]. Phytochemistry, 1997, 16: 45-48.
7Hideaki O, Masami Y, Kenji K, et al. Alangionosides G-M: Glycosides of megastigmane derivatives from the leaves of Alangium premnifolium [J]. Chem Pharm Bull, 1995, 43 (5): 754-759.
8Abyshev A Z, Zmeikov V P, 13C-NMR spectra and structure of bungeidiol and its transformation products [J]. Chem Nat Compd, 1982, 18(3): 270-276.
9Densie C C, Tony D, John T A. Novel steroids from Trichilia hirta as identified by nanoprobe INADEQUATE 2D-NMR spectroscopy [J]. Tetrahedron Lett, 1996, 37: 7875-7878.
