Dehydroheliamine, a trace alkaloid from the saguaro, Carnegiea gigantea (cactaceae)☆

Dehydroheliamine, a trace alkaloid from the saguaro, Carnegiea gigantea (cactaceae)☆ Cactus Alkaloids. XLIX. New Trace Alkaloids (Dehydrosalsolidine and Heliamine) From the Saguaro, Carnegiea gigantea, and Confirmation by Mikes (MS/MS) Cactus Alkaloids XLII: 3,4-dimethoxy-β-phenethylamine and Heliamine from the Mexican Cereoid Backebergia Militaris Tetrahydroisoquinoline alkaloids of the Mexican columnar cactus Pachycereus Weberi Alkaloids of Aconitum sajanense II. Structure of dehydroacosanine Alcaloïdes des Annonacees LXXII, Alcaloïdes du Guatteria sagotiana Alcaloïdes des Annonacees LXXII, Alcaloïdes du Guatteria sagotiana A New Steroidal Alkaloid from the Roots of Cynanchum caudatum A New Steroidal Alkaloid from the Roots of Cynanchum caudatum Structures of Gadenine and Pentagyline, Two New Diterpenoid Alkaloids