| 0527-1927 | Methadone Hydrocloride | methadone hydrochloride | Lannett Company, Inc. | ANDA | Current |
| 0527-1927 | Methadone Hydrocloride | methadone hydrochloride | Lannett Company, Inc. | ANDA | Current |
| 0527-1927 | Methadone Hydrocloride | methadone hydrochloride | Lannett Company, Inc. | ANDA | Current |
| 0527-1927 | Methadone Hydrocloride | methadone hydrochloride | Lannett Company, Inc. | ANDA | Current |
| 17856-1927 | Methadone Hydrocloride | methadone hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-1927 | Methadone Hydrocloride | methadone hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-1927 | Methadone Hydrocloride | methadone hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-1927 | Methadone Hydrocloride | methadone hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-1928 | Methadone Hydrocloride | methadone hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 63629-2098 | Methadone Hydrocloride | methadone hydrochloride | Bryant Ranch Prepack | ANDA | Current |
| 63629-2098 | Methadone Hydrocloride | methadone hydrochloride | Bryant Ranch Prepack | ANDA | Current |
| 63629-2098 | Methadone Hydrocloride | methadone hydrochloride | Bryant Ranch Prepack | ANDA | Current |