4-[Ethyl(p-methoxy-α-methylphenethyl)amino]-1-butanol

4-[Ethyl[2-(4-methoxyphenyl)-1-methylethyl]amino]-1-butanol

4-[Ethyl[1-methyl-2-(4-methoxyphenyl)ethyl]amino]-1-butanol

4-[Ethyl[2-(p-Methoxy-α-phenyl)-1-Methylethyl]aMino]-1-butanol