Ramanjaneyulu, K.V., et al. “A New Validated Stability Indicating RP-HPLC Method for the Quantification of Allopurinol and Lesinurad in Bulk and Pharmaceutical Formulations”. Asian Journal of Organic & Medicinal Chemistry, vol. 5, no. 1, May 2020, pp. 51-55, doi:10.14233/ajomc.2020.AJOMC-P244.