Salbutamol Standard

4-[2-(Tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol; 1,3-Benzenedimethanol, α1-[[(1,1-dimethylethyl)amino]methyl]-4-hydroxy-; α1-[(tert-Butylamino)methyl]-4-hydroxy-m-xylene-α,α′-diol (USP);