2-(디페닐메톡시)-N-메틸에틸아민2-(Diphenylmethoxy)-N-methylethanamineN-DesmethyldiphenhydramineNORDIPHENHYDRAMINE2-(Benzhydryloxy)-N-MethylethanaMineFAR-8328V250-500MgDimenhydrinate Impurity 6N-DeMethyl DiphenhydraMinemonodesmethyldiphenhydramineDiphenhydramine EP Impurity A