By API Standards
- Acalabrutinib
- Acebutolol
- Acetamenophen
- Acetazolamide
- Acotiamide
- Acrivastine
- AF38469
- Afatinib
- Agomelatine
- Albendazole
- Alimemazine
- Aliskiren
- Alogliptin
- Alosetron
- AMG-510
- Amino Acids
- Amiodarone
- Amlodipin
- Amlodipine
- Amoxicillin
- Apalutamide
- Apixaban
- Apremilast
- Aripiprazole
- Ascorbic Acid
- Atogepant
- Atomoxetine
- Atovaquone
- Avatrombopag
- Axitinib
- Azelnidipine
- Azilsartan
- Aztreonam