1. Chemistry of Colombian Plants, Institute of Chemistry Faculty of Exact and Natural Sciences University of Antioquia-UdeA Calle 70 No. 52-21 A.A 1226 Medellín Colombia
2. PECET-Medical Research Institute Faculty of Medicine University of Antioquia-UdeA Calle 70 No. 52-21 A.A 1226 Medellín Colombia
3. Group of Botanical Studies Institute of Biology Natural and Exact Sciencies Faculty University of Antioquia-UdeA Calle 70 No. 52-21 A.A 1226 Medellín Colombia
4. School of Chemistry Faculty of Science National University of Colombia, Sede Medellín Calle 59 A Número 63-20 A.A 0534 Medellín Colombia