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Which of the following substances are psychoactives?
1) Ephedrine
2) Caffeine
3) Amphetamine
4) Methamphetamine
5) PMA (para-methoxy-amphetamine)
6) Methylphenidate
7) DXM (dextromethorphan)
8) Methylone
9) Diphenhydramine
10) Benzodiazepines
11) Various other synthetic phenethylamines and tryptamines
12) No psychoactives at all

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