| 65145-111 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Caplin Steriles Limited | ANDA | Current |
| 65145-112 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Caplin Steriles Limited | ANDA | Current |
| 70069-805 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Somerset Therapeutics, LLC | ANDA | Current |
| 70069-806 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Somerset Therapeutics, LLC | ANDA | Current |
| 70594-069 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Xellia Pharmaceuticals USA LLC | ANDA | Current |
| 70594-072 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Xellia Pharmaceuticals USA LLC | ANDA | Current |
| 71872-7271 | Neostigmine Methylsulfate | Neostigmine Methylsulfate | Medical Purchasing Solutions, LLC | ANDA | Current |