Leete, E Biosynthesis of the Nicotiana alkaloids. XI. Investigation of tautomerism in N-methyl-delta-pyrrolinium chloride and its incorporation into nicotine. [electronic resource] - Journal of the American Chemical Society Dec 1967 - 7081-4 p. digital Publication Type: Journal Article ISSN: 0002-7863 Standard No.: 10.1021/ja01002a042 doi Subjects--Topical Terms: Carbon IsotopesChemical PhenomenaChemistryChloridesNicotine--biosynthesisOrnithine--metabolismPlants, ToxicPyrroles--metabolismNicotiana--metabolism