2-(Dimethylamino)-2-phenyl-1-butanol; 2-(Dimethylamino)-2-phenylbutan-1-ol; β-(Dimethylamino)-β-ethylphenethyl alcohol; 2-(Dimethylamino)-2-phenyl-n-butanol; Trimebutine Impurity A (EP/BP); (2RS)-2-(dimethylamino)-2-phenylbutanol