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