The chemical Mirabegron has a designated molecular formula of C21H24N4O2S and a molecular weight of 396.509 g/mol. Synonyms may include: UNII-MVR3JL3B2V, YM 178, YM178, Myrbetriq, Betanis (ChemID). Mirabegron has been assigned a MeSH pharmacological action of: Adrenergic beta-3 Receptor Agonist.