“…Four eburnamine-type alkaloids including two new ones, melodinines F-G (97, 98), together with O-methylepivincanol (100), (-)-eburnamenine (101) were isolated from M. henryi [35,48]. Δ14-Isoeburnamine (105) and (+)-isoeburnamine (106) were obtained from M. celastroides, M. henryi, M. oblongus and M. henryi [30,40,42,52]. Five indole alkaloids, Δ14-vincamenine N4-oxide (99), meloyunine (109), 14β-hydroxymeloyunine (110) and its epimer (111), and 16,19-epoxy-Δ14-vincanol (113) were described from M. yunnanensis [32].…”