Jardiance Impurity A (2R,3R,4R,5S,6R)-2-(3-((S)-4-((S)-tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol Empagliflozin alpha-Anomer (R, S)-Englenet impurities Empagliflozin Impurity 53 （RS） Empagliflozin-1 Empagliflozin α-Anomer Empagliflozin impurity 1/Empagliflozin α-Anomer/(2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl) oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran -3,4,5-triol