Alkaloids triterpenoids of Lobelia davidii
Tài liệu tham khảo
Gong, 1986
Wieland, 1939, Ann., 540, 103
Spiteller-Friedmann, 1965, Monatsh. Chem., 96, 104, 10.1007/BF00912299
Breitmaier, 1978
1980, Sadtler Standard Carbon-13 NMR Spectra.
Weinges, 1972, Ann., 756, 177