Barbiturate

имя существительное [химия] барбитурат

Большой англо-русский словарь

Barbiturate

noun 1. a salt or ester of barbituric acid 2. any of various derivatives of barbituric acid (as phenobarbital) that are used especially as sedatives, hypnotics, and antispasmodics and are often addictive

Энциклопедический словарь Мерриама-Вебстера