Conodurine, conoduramine, and ervahanine derivatives from Tabernaemontana corymbosa

Conodurine, conoduramine, and ervahanine derivatives from Tabernaemontana corymbosa Conodurine, conoduramine, and ervahanine derivatives from Tabernaemontana corymbosa New Bisindole Alkaloids from <i>Tabernaemontana </i><i>corymbosa</i> New Bisindole Alkaloids from Tabernaemontana corymbosa New Tabernamine Derivatives from Tabernaemontana 5-oxo-19,20-dehydroervatamine from leaves of Tabernaemontana corymbosa Two New Dimeric Indole Alkaloids from Tabernaemontana subglobosa MERR. from Taiwan. Ibogan, Aspidosperman, Vincamine, and Bisindole Alkaloids from a Malayan <i>Tabernaemontana corymbosa</i>: Iboga Alkaloids with C-20α Substitution Bisindole alkaloids from Tabernaemontana corymbosa Biologically Active Ibogan and Vallesamine Derivatives from Tabernaemontana divaricata