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An investigation by the NMR method of the structure of the alkaloid sophorine fromSophora alopecuroides

Abstract A new base — sophorine, with mp 59–60°C, [α]D23-18.9° (c 0.98; ethanol) — has been isolated from the epigeal part of the plantSophora alopecuroides L. Its IR spectrum and the nature of its mass spectrometric composition have permitted sophorine to be assigned to the quinolizidine alkaloids....
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