Complex sentence: Benzodiazepines generally share the same pharmacological properties, such as anxiolytic, sedative, hypnotic, skeletal muscle relaxant, amnesic and anticonvulsant, but some variation in potency of certain effects may exist among individual benzodiazepines.
Split into simpler sentences: Benzodiazepines generally share the same pharmacological properties such as anxiolytic, sedative, hypnotic, skeletal muscle relaxant, amnesic and anticonvulsant. However, some variation in potency of certain effects may exist between the individual benzodiazepines.