New natural products from Peganum harmala

New natural products from Peganum harmala Ruine: a glucosidic β-carboline from 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 Harmalidine, A β-carboline alkaloid from peganum harmala An oxamide from Peganum harmala seeds Pegaharmalines A and B, two novel β-carboline alkaloids with unprecedented carbon skeletons from Peganum harmala New β-carboline alkaloids from the seeds of Peganum harmala Studies in the Chemical Constituents of the Seeds of Pegnum harmala: Isolation and Structure Elucidation of Two b-Carboline Lactams - Harmalanine and Harmalacidine Peganumine A, a β-Carboline Dimer with a New Octacyclic Scaffold from Peganum harmala