Rajana, Nagaraju, P. Madhavan, H. Rama Mohan, J. Moses Babu, and K. Basavaiah. 2017. “An Orthogonal Approach for Method Development, Validation and Trace Level Quantification of 2,5-Diamino-4,6-Dichloro Pyrimidine Impurity in Abacavir Sulfate by LC-MS MS and GC-MS”. Asian Journal of Chemistry 29 (8):1853-58. https://doi.org/10.14233/ajchem.2017.20679.