DAVOODNIA, A., ESHGHI, H., EZZATAHMADI, S., & TAVAKOLI-HOSEINI, N. (2010). New Route for the Synthesis of Pyrimido[4’,5’:4,5]thiazolo[3,2-a]benzimidazol-4(3H)-ones. Asian Journal of Chemistry, 22(6), 4959–4961. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/16839