Lundurines A, B and C, new indole alkaloids with a novel carbon skeleton containing a cyclopropyl moiety

Lundurines A, B and C, new indole alkaloids with a novel carbon skeleton containing a cyclopropyl moiety Kopsifolines A, B, and C, indole alkaloids with a novel hexacyclic carbon skeleton from Kopsia Tenuisines A - C and tenuiphylline, novel bisindoles from Kopsia tenuis Two novel indole alkaloids, Kopsiyunnanines A and B, from a Yunnan Kopsia Tenuisines A, B and C, novel bisindoles with C2 symmetry from Kopsia tenuis Two novel indole alkaloids, Kopsiyunnanines A and B, from a Yunnan Kopsia Kopsifolines A–F: a New Structural Class of Monoterpenoid Indole Alkaloids from Kopsia Kopsiyunnanines L and M, Strychnos-related monoterpenoid indole alkaloids from Yunnan Kopsia arborea Kopsinitarines A B and C novel cage alkaloids from a Malaysian Kopsia Paucidactine A and B, new indole alkaloids with a novel ring system containing a lactone moiety