Rhazinal, a Formylrhazinilam Derivative from a Malayan Kopsia

Rhazinal, a Formylrhazinilam Derivative from a Malayan Kopsia Oxo-Derivatives of Kopsine- and Rhazinilam-Type Alkaloids from a North BorneoKopsia Rhazinilam and Quebrachamine Derivatives from Yunnan <i>Kopsia arborea</i> Rhazinilam and Quebrachamine Derivatives from Yunnan <i>Kopsia arborea</i> Indole Alkaloids from Kopsia teoi Biologically Active Aspidofractinine, Rhazinilam, Akuammiline, and Vincorine Alkaloids from <i>Kopsia</i> Biologically Active Aspidofractinine, Rhazinilam, Akuammiline, and Vincorine Alkaloids from <i>Kopsia</i> Kopsidine A and kopsidine B, two novel indole alkaloids from a Malaysian Kopsia Three aspidofractinine-type alkaloids from Kopsia teoi Rhazizine: A novel alkaloid from the leaves of