VENTOLIN Syrup (albuterol sulfate syrup) contains albuterol sulfate, USP, the racemic form of albuterol, a relatively selective beta2-adrenergic bronchodilator. Albuterol sulfate has the chemical name a1-[(tert-Butylamino)methyl]-4-hydroxy-m-xylene-a,a1-diol sulfate (2:1) (salt), and the following chemical structure:

The active component of VENTOLIN Inhalation Solution is albuterol sulfate, USP, the racemic form of albuterol and a relatively selective beta2-adrenergic bronchodilator (see CLINICAL PHARMACOLOGY). It has the chemical name a1-[(tert-butylamino)methyl] -4-hydroxy-m-xylene-a, a'-diol sulfate (2:1)(salt) and the following chemical structure:

The active component of VENTOLIN HFA is albuterol sulfate, USP, the racemic form of albuterol and a relatively selective beta2-adrenergic bronchodilator. Albuterol sulfate has the chemical name ?1-[(tert-butylamino)methyl]-4-hydroxy-m-xylene-?, ?' -diol sulfate (2:1)(salt) and the following chemical structure: