1. The Flora Committee of Chinese Academy of Sciences, The Chinese Flora, vol. 27, Science Press, Beijing, 1979, p. 365.
2. Delphatisine A (1): amorphous powder, [α]D27+16 (c 1.0 CHCl3); IR (KBr, cm−1: 3417 (hydroxyl), 2922, 1652, 1458, 1080 (C–O–C)); HR positive-SIMS (M=375.2410, Calcd. for C22H33NO4 375.2404); EI-MS m/z (rel. int): 357 (M–H2O, 99), 340 (84), 329 (86), 286 (70), 239 (83), 91 (60), 72 (100), 55 (57), 41 (69); 1H-NMR and 13C-NMR data are listed in Table 1.
3. The structures of staphisagnine and staphisagrine, two novel bis-diterpene alkaloids from
4. 13C nuclear magnetic resonance spectroscopy of atisine and veatchine-type C20-diterpenoid alkaloids from aconitum and garrya species