β-Carboline alkaloids ofPolygala tenuifolia

β-Carboline alkaloids ofPolygala tenuifolia Canthin-6-one and β-carboline alkaloids from Eurycoma harmandiana Harmalidine, A β-carboline alkaloid from peganum harmala New β-carboline alkaloids from the seeds of Peganum harmala Studies on the Chemical Constituents of the Seeds of Peganum harmala — Isolation and Structure of a New b-Carboline Alkaloid — Harmalicine Isoharmine, a β-carboline alkaloid from Peganum harmala seeds (±)-Pheharmines A–B, two pairs of racemic alkaloids with a morpholino[4,3,2-hi]β-carboline core, from the roots of Peganum harmala Tangutorine: A novel β-carboline alkaloid from Nitraria tangutorum β-Carboline glucoalkaloids from Strychnos mellodora Hydrolytic degradation of .BETA.-carboline-type monoterpenoid glucoindole alkaloids : A possible mechanism for harman formation in Ophiorrhiza and related rubiaceous plants.