Abd El-Aleam, Rehab H Design and synthesis of 1,2,4-triazolo[1,5-a]pyrimidine derivatives as PDE 4B inhibitors endowed with bronchodilator activity. [electronic resource] - Archiv der Pharmazie Aug 2019 - e1900002 p. digital Publication Type: Journal Article ISSN: 1521-4184 Standard No.: 10.1002/ardp.201900002 doi Subjects--Topical Terms: AnimalsBronchodilator Agents--chemical synthesisCyclic Nucleotide Phosphodiesterases, Type 4--metabolismDose-Response Relationship, DrugDrug DesignHumansMaleMolecular Docking SimulationMolecular StructureMuscle Contraction--drug effectsMuscle, Smooth--drug effectsPhosphodiesterase 4 Inhibitors--chemical synthesisPyrimidines--chemical synthesisRatsRats, Sprague-DawleyStructure-Activity RelationshipTrachea--drug effectsTriazoles--chemical synthesis