• cortex frangulae
• crataegus fruit tincture crushed
• crizotinib
• crushed fruits tincture of sophora japonica
• crushed milk thistle fruits
• crushed nettle leaf
• crushed pumpkin seeds
• cyanamide
• cyanocobalamin
• cyclobenzaprine
• cyclopentolate
• cyclophosphamide
• cycloserine
• cyclosporine
• cyphenadine
• cyproheptadine
• cyproterone
• cyproterone acetate
• cysteine
• cystine
• cytarabine
• cytidine 5 monophosphate disodium salt
• cytidine 5' diphosphate disodium salt
• cytisine
• cytochrome c