Synonyms: 4-[Ethyl[2-(p-methoxy-α-phenyl)-1-methylethyl]amino]-1-butanol,1-Butanol, 4-[ethyl[2-(4-methoxyphenyl)-1-methylethyl]amino]-, 1-Butanol, 4-[ethyl(p-methoxy-α-methylphenethyl)amino]- (6CI,7CI,8CI), 4-[Ethyl[2-(4-methoxyphenyl)-1-methylethyl]amino]-1-butanol, 4-[Ethyl[(2RS)-1-(4-methoxyphenyl)propan-2-yl]amino]butan-1-ol, Mebeverine Impurity C