Lansoprazole Impurity 4

Chemical Name: 12-(((1H-benzo[d]imidazol-2-yl)thio)(3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl)-1-methyl-2-(2,2,2-trifluoroethoxy)benzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridine