Chiral pharmaceuticals Fluoxetine,a heavily prescribed medication sold under the trade name Prozac Racemic fluoxetine is an effective antidepressant but has no activity against migraine偏头痛 The pure S enantiomer works well in preventing migraine NHCH3 (S)-Fluoxetine (prevents migraine) 2007 Thomson Higher EducationChiral pharmaceuticals ▪ Fluoxetine, a heavily prescribed medication sold under the trade name Prozac ▪ Racemic fluoxetine is an effective antidepressant but has no activity against migraine偏头痛 ▪ The pure S enantiomer works well in preventing migraine