2-[[(4-Chloro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole;4-Desmethoxypropoxyl-4-chloro Rabeprazole;4-chloro Lansoprazole;Lansoprazole related substance F;Rabeprazole Chloro IMpurity -;Rabeprazole IMpurity D;2-[[(4-chloro-3-Methylpyridin-2-yl)Methyl]sulphinyl]-1H- benziMidazole;Lansoprazole EP IMpurity F