New oleanane saponins from the roots of Dendrobangia boliviana identified by LC-SPE-NMR.
Ilhem ZebiriAudrey GratiaJean-Marc NuzillardMohamed HaddadBilly CabanillasDominique HarakatLaurence Voutquenne-NazabadiokoPublished in: Magnetic resonance in chemistry : MRC (2017)