Hypnotic pharmaceutical compsns

摘要

Compsns. contain 0.5-10 mg of the cpd. or its suitable acid addn. salt or (5)-N-oxide and are prepd., e.g. by heating together 7-chloro-1, 3-dihydro-5-phenyl-2H-1, 4-benzodiazepine-2-thione and acetohydrazide.