Omeprazole EP Impurity - E

Omeprazole N-Oxide; 4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide; Omeprazole N-oxide; 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide; Omeprazole Related Compound E (USP) (IP);