Gelsamydine, an indole alkaloid from Gelsemium elegans with two monoterpene units

Gelsamydine, an indole alkaloid from Gelsemium elegans with two monoterpene units Gelsamydine, an indole alkaloid from Gelsemium elegans with two monoterpene units Two oxindole alkaloids from Gelsemium elegans Four novel gelsedine-type oxindole alkaloids from Gelsemium elegans Four novel gelsedine-type oxindole alkaloids from Gelsemium elegans 19α-hydroxygelsamydine from Gelsemium elegans Gelsochalotine, a novel indole ring-degraded monoterpenoid indole alkaloid from Gelsemium elegans Two New 11‐Hydroxy‐Substituted Gelsedine‐Type Indole Alkaloids from the Stems of <i>Gelsemium elegans</i> Four Novel Gelsenicine-Related Oxindole Alkaloids from the Leaves of Gelsemium elegans Benth. A new class of indole alkaloid ‘elegansamine’ constructed from a monoterpenoid indole alkaloid and an iridoid