title: [Pyrrolizidines. IV: Pure stereoisomers of pyrrolizidine-1-carboxylic acids and 1-hydroxymethylpyrrolizidines (author's transl)].
mesh_terms: D002264:Carboxylic Acids / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D011758:Pyrroles / Q000138:chemical synthesis*
chemical_list: D002264:Carboxylic Acids; D011758:Pyrroles
vernacular_title: Pyrrolizidine IV. Zur Darstellung sterisch einheitlicher pyrrolizidin-1-carbonsäuren und 1-Hydroxymethylpyrrolizidine