SEARCH Articles Figures Tables 4 -Nummularine-C-type cyclopeptide alkaloids Alkaloid C-6 epimer synthesis Alkaloids of the Amaryllidaceae by W. C. Wildman Biogenesis for Nb-C secocuran alkaloid Bisindole alkaloids of Catharanthus C-20’ Position as a Functional Hot Spot Bisnor-C-alkaloid C-NMR Spectroscopy of Quinolizidine Alkaloids Erythrophleum Alkaloids Containing a C-4 Carbomethoxy Group Michellamines A,B,C alkaloids analogue glaucine Michellamines A,B,C alkaloids apomorphine Michellamines A,B,C alkaloids bulbocapnine Michellamines A,B,C alkaloids nitrogenated compounds Michellamines A,B,C alkaloids sanguinarine Ralph C. Bick and Sirichai Panichanum arbon-13 NMR Spectroscopy of Steroidal Alkaloids The Amaryllidaceae Alkaloids by W. C. Wildman The Galbulimima Alkaloids by E. Ritchie and W. C. Taylor