Quassia.
Quinetum.
Quinine: as prophylactic to abort fit and to prevent recurrence: its action is aided by purgatives, emetics and aromatics.
Quinine Hydrobromate: like quinine, and less liable to produce cinchonism.
Quinoidine.
Quinoline.
Quinoline Tartrate.
Resorcin.
Saccharated Lime.
Salicin.