Cannabis Indica: alone or with hyoscyamus.
Cannabine Tannate.
Chloralamide.
Chloral-Ammonia.
Chloral Hydrate: very useful, alone or with bromide of potassium; the addition of a small quantity of opium to the combination assists its action.
Chloralimide.
Chloralose.
Chlorobrom.
Chloroform.
Cocaine Hydrochlorate.