Salapaka, Appalacharyulu, Kishore Babu Bonige, K. Chandrasekhar Reddy, Hemant Kumar Sharma, and Uttam Kumar Ray. “A New Stability Indicating Reverse Phase HPLC Method for the Determination of Related Substances of DPP4 Inhibitor Drug: Linagliptin”. Asian Journal of Chemistry 34, no. 10 (September 19, 2022): 2587–2592. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/34_10_14.