Kopsifolines A, B, and C, indole alkaloids with a novel hexacyclic carbon skeleton from Kopsia

Kopsifolines A, B, and C, indole alkaloids with a novel hexacyclic carbon skeleton from Kopsia Kopsifolines A–F: a New Structural Class of Monoterpenoid Indole Alkaloids from Kopsia Kopsifolines A‐F: A New Structural Class of Monoterpenoid Indole Alkaloids from Kopsia. Kopsidine A and kopsidine B, two novel indole alkaloids from a Malaysian Kopsia New Indole Alkaloids from Kopsia. Alkaloid Variation in Kopsia singapurensis Kopsinitarines A B and C novel cage alkaloids from a Malaysian Kopsia New indole alkaloid constituents from the stems of Kopsia hainanensis New Indole Alkaloids from <i>Kopsia.</i> Alkaloid Variation in <i>Kopsia singapurensis</i> Nouveaux Alcaloïdes de Type Aspidofractinine Fonctionnalises en C-17, Extraits des Écorces de Tronc d'un Kopsia de Malaisie Four heptacyclic indoles from Kopsia teoi