By API Standards
- Baclofen
- Baloxavir
- Baricitinib
- Barnidipine
- Bempedoic acid
- Benzbromarone
- Benzene
- Betahistine
- Betamethasone
- Betrixaban
- Bexagliflozin
- Bexarotene
- Bezafibrate
- Bictegravir
- Bilastine
- Bile acid
- Bimatoprost
- Binimetinib
- Bisoprolol
- Blonanserin
- Bosutinib
- Brexpiprazole
- Brivanib
- Budesonide
- Bumetanide
- Bupropion
- Butylphthalide