<unk> (oral) is a benzodiazepine that is FDA approved for the treatment of anxiety and for induction of amnesia. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include excessive somnolence, headache and hiccoughs.
Midazolam 
Ketazolam
Adinazolam
Triazolam
Climazolam
Estazolam
Propofol
Ketamine