title: Biosynthetic studies with 13CO2 of secondary plant metabolites. Nicotinana alkaloids. 1. Initial experiments.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D009538:Nicotine / Q000096:biosynthesis*; D010947:Plants, Toxic; D014026:Nicotiana / Q000378:metabolism*
chemical_list: D002245:Carbon Dioxide; D009538:Nicotine