Novel Cage Indole Alkaloidal Artefacts Containing an α-aminoketone moiety from aKopsiaspecies

Novel Cage Indole Alkaloidal Artefacts Containing an α-aminoketone moiety from a<i>Kopsia</i>species Kopsinitarines A B and C novel cage alkaloids from a Malaysian Kopsia Novel Cage Indoles from a Malaysian <i>Kopsia</i> Novel Cage Indoles from a Malaysian Kopsia Kopsifolines A, B, and C, indole alkaloids with a novel hexacyclic carbon skeleton from Kopsia Kopsidine A and kopsidine B, two novel indole alkaloids from a Malaysian Kopsia Arbophylline, a novel heptacyclic indole with a cage skeleton incorporating an acetal moiety Arboridinine, a Pentacyclic Indole Alkaloid with a New Cage Carbon–Nitrogen Skeleton Derived from a Pericine Precursor New Indole Alkaloids from Kopsia. Alkaloid Variation in Kopsia singapurensis New Indole Alkaloids from <i>Kopsia.</i> Alkaloid Variation in <i>Kopsia singapurensis</i>