2,6-??-T-??-P-??? Empagliflozin Impurity 43 Gamma Butyrolactone Empagliflozin Impurity 19 Empagliflozin Impurity 14 Empagliflozin Impurity 23 Empagliflozin Impurity 24 Empagliflozin Impurity 18 1-chloro-4-(β-D-glucopyranos-1-yl)-2-[4-(-tetrahydrofuran-3-yloxy)-benzyl]-benzene Empagliflozin Impurity 22 Empagliflozin Impurity 21 EMpagliflozin iMpurity 15 Empagliflozin Impurity 17 (2R,3R,4R,5S)-5-(4-chloro-3-(4-((S)-tetrahydrofuran-3-yloxy)benzyl)phenyl)-2-(2-hydroxyethyl)tetrahydrofuran-2,3,4-triol (3R,4S,5S,6R)-2-[4-chloro-3-[[4-[(3S)-oxolan-3-yl]oxyphenyl]methyl]phenyl]-6-(hydroxymethyl)-2-methoxyoxane-3,4,5-triol (S)-3-(4-(2,5-dibromobenzyl)phenoxy)tetrahydrofuran Empagliflozin Impurity 20 (3S,3'S)-3,3'-((((4,4'-dichloro-[1,1'-biphenyl]-3,3'-diyl)bis (methylene))bis(4,1-phenylene))bis(oxy))bis(tetrahydrofuran)