By API Standards
- Baclofen
- Baloxavir
- Baricitinib
- Barnidipine
- Bempedoic acid
- Benzaldehyde
- Benzalkonium
- Benzbromarone
- Benzyl benzoate
- Berotralstat
- Betamethasone
- Betrixaban
- Bexagliflozin
- Bexarotene
- Bezafibrate
- Bilastine
- Bile acid
- Bilobalide
- Bimatoprost
- Binimetinib
- Biochanin
- Bisoprolol
- Bisphenol
- Blonanserin
- Borneol
- Bortezomib
- Bosutinib
- Boswellic acid
- Brevianamide F
- Brexpiprazole
- Brivanib
- Brombuterol
- Budesonide
- Bupropion
- Butylphthalide