8-Methoxy-1,3-dimethyl-12-thioxo-pyrido[123,4]imidazo[1,2-a]benzimidazol-2-(12H)-one;8(9)-Methoxy-1,3-dimethyl-12-thioxopyrido[1’,2’:3,4]imidazo[1,2-a]benzimidazol-2-(12H)-one
(Mixture of Regioisomers);OMeprazole IMpurity (Mixture of RegioisoMers);OMeprazole IMpurity-F (EP);OMeprazole EP IMpurity F;OMeprazole IMpurity F;8-Methoxy-1,3-diMethyl-12-thioxobenzo[4,5]iMidazo[2,1:2,3]iMidazo[1,5-a]pyridin-2(12H)-one;9-Methoxy-1,3-diMethyl-12-thioxobenzo[4,5]iMidazo[2,1:2,3]iMidazo[1,5-a]pyridin-2(12H)-one