Haloperidol

Chemical Name: 4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(4-fluorophenyl)butan-1-one (as per EP); 4-[4-(p-Chlorophenyl)-4-hydroxypiperidino]-4′-fluorobutyrophenone (as per USP)

Smile: OC1(CCN(CCCC(C2=CC=C(F)C=C2)=O)CC1)C3=CC=C(Cl)C=C3