(5-Ethyl-1H-imidazol-4-yl)methanol;Cimetidine EP Impurity I HCl;Cimetidine EP Impurity I;Cimetidine Impurity 4 HCl;Cimetidine Impurity 9(Cimetidine EP Impurity I);Cimetidine Impurity 4;Cimetidine impurity 9/Cimetidine EP Impurity I HCl/(5-ethyl-1H-imidazol-4-yl)methanol hydrochloride;Cimetidine EP IMP I