英文别名Pantoprazole Impurity 5; 5-(Difluoromethoxy)-1,3-dihydro-2H-benzimidazol-2-one; 5-(difluoromethoxy)-1,3-dihydrobenzimidazol-2-one; 5-(Difluoromethoxy)-1,3-dihydro-1H-benzo[d]imidazol-2(3H)-one; 5-(difluoromethoxy)-1H-benzo[d]imidazol-2-ol; 2H-Benzimidazol-2-one, 5-(difluoromethoxy)-1,3-dihydro- 
