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The title compound, 8-methoxy-1,3-dimethyl-12-thioxopyrido[1',2':3,4]-imidazo[1,2-a][1,3]benzimidazol-2(12H)-one, was isolated during impurity
profiling of omeprazole and was crystallized from ethanol. The molecules are essentially planar and show normal van der Waals interactions.
Supporting information
| Crystallographic Information File (CIF) Contains datablocks Omeprazole_Impurity, I |
| Structure factor file (CIF format) Contains datablock I |
CCDC reference: 139766
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