Lansoprazole N-Oxide;1H-Benzimidazole, 2-[[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-;2-[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-1-ium-2-yl]methylsulfinyl]-1H-benzimidazole;LANSOPRAZOLE EP IMPURITY A (""N-OXIDE"");UNII-51C3Z1Q9J3;2-(((1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine 1-oxide