TY - JOUR T1 - Natural Product-Derived Drugs Based on β-Adrenergic Agents and Nucleosides JO - Journal of the Brazilian Chemical Society A1 - Newman, David J. SN - 0103-5053 UL - 10.5935/0103-5053.20160070 VL - 27 Y1 - 2016 PB - Brasil ER -