Drugs used include barbiturates, benzodiazepines, cyclopyrrolone[?], chloral hydrate[?], chlormethiazole[?] or the antihistamines[?] promethazine and diphenhydramine.
... Bezopasnosti (FSB, successor of KGB) Glavnoye Razvedyvatelnoye Upravlenie[?] (GRU) Sluzhba Vneshney Razvedki[?] (SVR) Union of Soviet Socialist Republics ...