C03571 - Czp
- C03571 - Camphor
- Camptosar - Carprofen
- Carpropamid - Cefmetazole Sodium
- Cefonicid - Cg2
- Cgf - Choline Chloride Car
- Cholinophyllin - Clidinium
- Clindamycin - Codeine-n-oxide
- Coenzyme A - Cozaar
- Cp 63956 - Cyclohexane
- Cyclohexanealanine - Czp