SEARCH Articles Figures Tables 7a-Hydroxy-l-methylene-8a-pyrrolizidine 8a-pyrrolizidine Advances in pyrrolizidine chemistry Alkaloid pyrrolizidines Alkaloids pyrrolizidine Alkaloids pyrrolizidine ingestion Alkaloids, macrocyclic pyrrolizidine Alkenes pyrrolizidine derivatives Ammonium pyrrolizidine alkaloids Asteraceae , pyrrolizidine Asymmetric synthesis of pyrrolizidine alkaloids Benzo pyrrolizidine Biogenesis of Naturally Occurring Pyrrolizidines Boraginaceae, pyrrolizidine alkaloids Carcinogens pyrrolizidine alkaloids Chelaner antarcticus pyrrolizidine alkaloids Compositae pyrrolizidine alkaloids Configurations of pyrrolizidine bases Ellen W. Baxter and Patrick S. 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J., Advances in Pyrrolizidine Robins, D. J., Advances in Pyrrolizidine Chemistry Senecio jacobaea, pyrrolizidine alkaloids Solid pyrrolizidine alkaloids Stereochemistry of Pyrrolizidine Bases Stereochemistry of pyrrolizidines Synthesis of pyrrolizidines Tetracyclic pyrrolizidines The Pyrrolizidine Alkaloids The Synthesis of Pyrrolizidine Derivatives Thief ants pyrrolizidine Thin layer chromatography pyrrolizidine alkaloids Toxicity mechanism, pyrrolizidine Toxicity pyrrolizidine alkaloids Toxicology Pyrrolizidines Tyria jacobaeae, pyrrolizidine alkaloids Utetheisa ornatrix pyrrolizidine alkaloids