for the following products
2-{[(3,5-Dimethyl-4-methoxy-2-pyridinyl)-methyl]-thio}-5-methoxy-1h benzimidazole | 5-Methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridinyl)methylthio-1H-benzimidazole | Omeprazole EP impurity C | Omeprazole sulfide | Ufiprazole and 5-Methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl}-1H-1,3-benzodiazole
