Design and synthesis of 1,2,4-triazolo[1,5-a]pyrimidine derivatives as PDE 4B inhibitors endowed with bronchodilator activity

Citation:
El-Aleam, A. R. H., R. F. George, K. J. Lee, A. B. Keeton, G. A. Piazza, A. A. Kamel, M. E. El-Daly, G. S. Hassan, and H. M. Abdel-Rahman, "Design and synthesis of 1,2,4-triazolo[1,5-a]pyrimidine derivatives as PDE 4B inhibitors endowed with bronchodilator activity", Archiv der Pharmazie, vol. 352, pp. 1900002, 2019.