Conodusarine, a New Biologically Active Bisindole Alkaloid from Tabernaemontana divaricata

Conodusarine, a New Biologically Active Bisindole Alkaloid from Tabernaemontana divaricata New Bisindole Alkaloids from Tabernaemontana corymbosa New Bisindole Alkaloids from <i>Tabernaemontana </i><i>corymbosa</i> Conodirinines A and B, Novel Vobasine‐Iboga Bisindoles Incorporating an Additional Tetrahydro‐1,3‐oxazine Unit on the Vobasinyl Moiety Biologically Active Ibogan and Vallesamine Derivatives from Tabernaemontana divaricata Biologically active indole and bisindole alkaloids from Tabernaemontana divaricata Biologically active indole and bisindole alkaloids from Tabernaemontana divaricata New Tabernamine Derivatives from Tabernaemontana Ibogan, Aspidosperman, Vincamine, and Bisindole Alkaloids from a Malayan <i>Tabernaemontana corymbosa</i>: Iboga Alkaloids with C-20α Substitution Conodiparines A-D, new bisindoles from Tabernaemontana. Reversal of vincristine-resistance with cultured cells