Table 1. Chiral-Switch Drugs with Challenged Enantiomer Patents.
| Brand Name | Active Ingredient(s) |
|---|---|
| Lipitor | Atorvastatin Calcium |
| Plavix | Clopidogrel Bisulfate |
| Nexium | Esomeprazole Magnesium |
| Lexapro/Cipralex | Escitalopram Oxalate |
| Levaquin/Travanic | Levofloxacin |
| Xopenex | Levalbuterol Dihydrochloride |
| Focalin | Dexmethylphenidate Hydrochloride |
| Altace | Ramipril |
| Seractil | Dexibuprofen |
| Xyzal | Levocetirizine Hydrochloride |
| Lunesta | Eszopiclone |
| Nuvigil | Armodafinil |
| Exelon | Rivastigmine Tartarate |
| Azilect | Rasagiline Mesylate |
| Adderal XR 10 | Amphetamine Aspratate; Amphetamine Sulfate; Dextroamphetamine Succharate Dextroamphetamine ; Sulfate |
| Fusilev | Levoleucovorin |
| Precedex | Dexmedetomidine Hydrochloride |
| Ketanest | Esketimine Hydrochloride |
| Dexilant | Dexlansoprazole |
| Vimovo | Naproxen/Esomeprazole Magnesium |
| Amoxillin | Amoxycilin |