Omeprazole EP Impurity - C

5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H-benzimidazole; 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl]-1H-benzimidazole; 6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]thio]-1H-benzimidazole; Pyrmetazole; Omeprazole Sulfide; 2-[[(3,5-Dimethyl-4-methoxy-2-pyridyl)methyl]thio]-5-methoxybenzimidazole; Ufiprazole; 5-Methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methylthio)-1H-benzimidazole (USP); Omeprazole Related Compound C (As per USP Commenting Opening 50(6));