GONZALEZ LOPEZ, S.; TRUJILLO CHACÓN, L. M.; OSORIO DURANGO, E. J. PP13 Bioactive Alkaloids from Two Amaryllidaceae Species: Cytotoxic Potential Against Gastric Cancer Cells. Revista Productos Naturales, v. 6, n. 1, p. 252–254, 19 Jul.2025.