Shirole, N.L., G.S. Talele, R.A. Fursule, S.J. Surana, and K.S. Jain. 2010. “Synthesis and Antihistaminic Activity of Novel 2-Alkylamino and 2-Dialkylaminomethylthieno[2,3-d]pyrimidines”. Asian Journal of Chemistry 18 (4):2673-79. https://asianpubs.org/index.php/ajchem/article/view/20636.