Niero, Rivaldo Cilistepoxide and cilistadiol, two new withanolides from Solanum sisymbiifolium. [electronic resource] - Natural product research Nov 2006 - 1164-8 p. digital Publication Type: Journal Article ISSN: 1478-6419 Standard No.: 10.1080/14786410600888459 doi Subjects--Topical Terms: BrazilEpoxy Compounds--chemistryErgosterol--analogs & derivativesMolecular StructureNuclear Magnetic Resonance, BiomolecularPlant Extracts--chemistryPlant Leaves--chemistryPlant Stems--chemistrySolanum--chemistrySpectrometry, Mass, Electrospray IonizationSpectroscopy, Fourier Transform Infrared