text: <unk>  (BAN, USAN), also spelled phenethylline and<unk>  (INN), and also known as amphetaminoethyltheophylline and amfetyline, is a chemical linkage of amphetamine and theophylline which behaves as a prodrug to both of the aforementioned drugs. It is marketed for use as a psychostimulant under the brand names Captagon, Biocapton, and Fitton.
option_0: Fenetylline
option_1: Methyldopate
option_2: Guanoxabenz
option_3: Fentiazac
option_4: Tirapazamine
option_5: Fenpiprane
option_6: Thiopropazate
option_7: Ketamine