publicaciones seleccionadas artículo académico Heliangolide, Trachyloban‐ und Villanovan‐Derivate aus Viguiera‐Arten. European Journal of Organic Chemistry. 1984:495-502. 2006 Ent-Clerodane derivatives from Chromolaena connivens. JAMA Internal Medicine. 28:1468-1474. 2001 Further pyrrolizidine alkaloids and furoeremophilanes from Senecio species. Phytochemistry. 25:1151-1159. 1986 ChemInform Abstract: HELIANGOLIDES AND TRACHYLOBANE AND VILLANOVANE DERIVATIVES FROM VIGUIERA SPECIE. Natural Product Research. 15. 1984