publicaciones seleccionadas artículo académico Sesquiterpene lactones from Koanophyllon albicaule. Phytochemistry. 31:3143-3146. 1992 Sesquiterpene lactones from two Tithonia species. Phytochemistry. 31:3139-3141. 1992 Further Sesquiterpene Lactones from Elephantopus mollis and Centratherum punctatum. Docencia universitaria en pregrado en ciencias de la salud. 52:29-32. 1986 Poskeanolide, a seco-germacranolide and other sesquiterpene lactones from Vernonia species. Phytochemistry. 25:1359-1364. 1986