Chemical Name: 6-chloro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Synonym: Des-acetyl Apremilast ; (S)-4-amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
Smile: FC1=CC=C(C=C1)N2C=C(C(O)=O)C(C3=C2C=C(N4CCN(C)CC4)C(Cl)=C3)=O