TAS2R14 agonist-2 (compound 28.1) is a potent and selective TAS2R14 agonist with an EC50 value of 72 nM. TAS2R14 agonist-2 reveals marked selectivity over a panel of 24 non-bitter taste human G protein-coupled receptors. TAS2R14 agonist-2 can be used for the studies of asthma or chronic obstructive pulmonary disease.