1,3-Dimethyl-9-methoxy-12-thioxopyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2(12H)-one ;|1,3-Dimethyl-9-methoxy-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one|1,3-Dimethyl-9-methoxy-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one;|Isomer of Omeprazole EP Impurity F & Omeprazole USP RC F|Isomer of Omeprazole EP Impurity F & Omeprazole USP RC F ;|Omeprazole BP Impurity G ; Omeprazole USP RC G ; Isomer of Omeprazole EP Impurity F & Omeprazole USP RC F ; 1,3-Dimethyl-9-methoxy-12-thioxopyrido[1?,2?:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one ;|Omeprazole Impurity (Mixture of Regioisomers);|Omeprazole Related Compound F&G (USP);|Omeprazole USP RC G ;|Omeprazole USP Related compound G .