Mirabegron EP Impurity A

(S)-Mirabegron; (S)-2-(2-Aminothiazol-4-yl)-N-(4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl)phenyl)
acetamide; 4-Thiazoleacetamide, 2-amino-N-[4-[2-[[(2S)-2-hydroxy-2-phenylethyl]amino]ethyl]phenyl]-;