- Abemaciclib
- Abrocitinib
- Acalabrutinib
- Acyclovir sodium
- ADC linker
- Afatinib Dimaleate
- Afoxolaner
- Alectinib
- Alfacalcidol
- Alfaxalone
- Algestone acetophenide
- Allopurinol
- Allylestrenol
- Alogliptin Benzoate
- Alphadolone
- Alpha-lipoic acid
- Altrenogest
- Amlodipine
- Amorolfine
- Anagliptin
- Anidulafungin
- Apalutamide
- Apixaban
- Apreitant
- Apremilast
- Aprepitant
- Articainehydrochloride
- Asenapine Maleate
- Ataluren
- Atogepant
- Atorvastatin Calcium
- Axitinib
- Azacytidine
- Osimertinib
- Baloxavir Marboxil
- Baricaitinib
- Bazedoxifene
- Bedaquiline
- Bempedoic Acid
- Benazepril
- Bepotastine Besilate
- BI-2536
- Bicalutamide
- Bictegravir
- Bimatoprost
- Binimetinib
- Bosutinib
- Bozitinib
- Brexanolone
- Brigatinib