Zhang, Y., Zou, B., Fang, Y., Pan, Z., Yi, X., & Li, D. (2012). Transition Metal Ion Chelating of Some Coumarin Antioxidants and the Interaction with Bovine Serum Albumin. Asian Journal of Chemistry, 25(4), 2265–2269. https://doi.org/10.14233/ajchem.2013.13791