2-(Acetylamino)-6-[[[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]amino]carbonyl]-benzoic Acid is an impurity of Apremilast (A729700), which is an oral phosphodiesterase 4 inhibitor used for treating psoriatic arthritis.
Apremilast Impurity 10 Preparation Products And Raw materials