buphenine buphenine buphenine (or nylidrin; trade name arlidin) is a β2 adrenoreceptor agonist that acts as a vasodilator. buphenineclinical dataahfs/drugs.cominternational drug namesatc codec04aa02 (who) g02ca02 (who)identifiers iupac name 4-phenol cas number447-41-6pubchem cid4567chemspider4407unii695dkh33eichemblchembl114655 ycomptox dashboard (epa)dtxsid4023387 echa infocard100.006.531 chemical and physical dataformulac19h25no2molar mass299.414 g·mol−13d model (jsmol)interactive image smiles oc(c1ccc(o)cc1)c(nc(c)ccc2ccccc2)c it was developed as a chemical derivative of oxilofrine, and first reported in the literature in 1950.