El-Bagary RI, Elkady EF, Ayoub BM. Development and validation of a reversed phase liquid chromatographic method for the determination of three Gliptins and Metformin in the presence of Metformin impurity (1-cyanoguanidine). Eur. J. Chem. [Internet]. 2013 Dec. 31 [cited 2024 Dec. 22];4(4):444-9. Available from: https://eurjchem.com/index.php/eurjchem/article/view/844