Rajalakshmy, M.R., and G. Geetha. “Isolation and Identification of 5-O-Caffeoyl Quinic Acid from Industrial Herbal Residues of Valeriana Wallichii”. Asian Journal of Chemistry, vol. 28, no. 3, Dec. 2015, pp. 572-4, doi:10.14233/ajchem.2016.19414.