Lansoprazole Impurity I Standard Lansoprazole Impurity G(5-Hydroxy Lansoprazole) Lansoprazole Impurity 3 2-(((3-Methyl-4-nitropyridin-2-yl)Methyl)sulfinyl)-1H- benzo[d]iMidazole Lansoprazole IMpurity I Lansoprazole Sulfone N-Oxide 2-(3-methyl -4-(2,2,2-trifluoroethoxy)-2-pyridinyl)methylthio-1h-benzimidazole (Lansoprazole sulfide) 2-[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methylthio-1H-benzimidazole Lansoprazole (sodiuM) 2-[[[4-(2,2,2-Trifluoroethoxy)-3-Methyl-1-oxopyridin-2-yl]Methyl]sulfanyl]-1H-benziMidazole lansoprazole Impurity 29 lansoprazole Impurity 23 Lansoprazole pellet's LANSOPRAZOLE SULFONE LANSOPRAZOLE-D4 1-Methyl-12-thioxopyrido[1',2':3,4] Lansoprazole 99% Lansoprazole IMpurity H