K.K. EL-LOUH A, M. ABUNADA N, M. EL-ABBADY S, EL-SHOUBAKI M. Synthesis of Dihydropyridine, Alkylthiopyridine, Thienopyridine and Pyridothienopyrimidine Derivatives. ajc [Internet]. 2010 Mar. 30 [cited 2024 Nov. 29];19(2):1283-92. Available from: https://asianpubs.org/index.php/ajchem/article/view/20244