Browsing by Author "Espinoza, Javier"
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Espinoza, Javier; Echeverría, Javier; Urzúa, Alejandro; Niemeyer, Hermann M. (2012)A new withanolid amine was isolated from Dunalia spinosa (Solanaceae). Its relative stereochemistry was determined using FT-IR, 1H and 13C NMR spectroscopies and high resolution mass spectrometry. Nicotine was also isolated; ...