Which set has different class of compounds ?

Question : Which set has different class of compounds ? (1) Tranquilizers : Equanil, heroin, valium (2) Antiseptics : Bithional, Dettol, boric acid (3) Analgesics : Naproxen, morphine, aspirin (4) Bactericidal : Penicillin, aminoglycosides, ofloxacin answer : from all above options the correct answer is “(1) Tranquilizers: Equanil, heroin, valium…