Clenbuterol hydrochloride

Clenbuterol impurity B - 1-(4-amino-3,5-dichlorophenyl)-2-[(1,1-dimethylethyl)amino]ethanone (clenbuterol ketone)

Clebopride malate

Clemastine fumarate

Cisplatin

Citric acid monohydrate

Ciprofloxacin hydrochloride

Ciprofloxacin impurity A - 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid (fluoroquinolonic acid)

Cinchocaine hydrochloride

Cinnarizine