for the following products
8(9)-Methoxy-1,3-dimethyl-12-thioxo-pyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2-(12H)-one (mixture of regioisomers) | 8-Methoxy-1,3-dimethyl-12-thioxo-pyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2-(12H)-one | Pyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2(12H)-one, 8-methoxy-1,3-dimethyl-12-thioxo- and Omeprazole EP Impurity F
