for the following products
4-(2-(tert-Butylamino)-1-hydroxyethyl)-2-methylphenol | Levalbuterol related compound b (20 mg) (alpha-[{(1,1-dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol) | α-[[(1,1-dimethylethyl)amino]methyl]-4-hydroxy-3-methyl-benzenemethanol and alpha-[{1,1-Dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol