1 47. METAFETAMINE 2 3 levometh­ amphetamine (­)­N,a­dimethylphenethylamine. (+)­(S)­N,a­dimethylphethylamine. metham­ phetamine 48. METAFETAMINE RACEMATE 49. METHYLPHENIDATE metafetamine  (+ /­)­N,a­dimethylphethylamine. racemate   Methyl a­phenyl­2­piperidinoacetate. 50. MEPROBAMATE   2­methyl­2­propyl­l,3­propanediol dicarbamate. 51. METHAQUALONE   2­methyl­3­0­tolyl­4(3H)­quinazolinone. 52. METHYLPHENOBARBITAL   5­ethyl­l­methyl­5­phenyl­barbituric acid. 53. METHYPRYLON   3,3­diethyl­5­methyl­2,4­piperidine­dione. 54. MAZINDOL   5­(p­chlorophenyl)­2,5­dihydro­3H­ imidazo[2,1 ­ a]isoindol­5­01. 55. .MEDAZEPAM   7­chloro­2.3­dihydro­l­methyl­5­phenyl­ IH­1,4­ benzodiazepine. 56. MEFENOREX   N­(3­chloroporpyl)­a­methylphenethyla­ mine. 57. MIDAZOLAM**   8­chloro­6­(0­fluorophenyl)­l­methyl­ 4H­imidazo [1.5­a][l,4] benzodiazepine. 58. N1METAZEPAM   1.3­dihydro­l­methyl­7­nitro­5­phenyl­ 2H­1,4­benzodiazepin­2­one. 59. NITRAZEPAM   1,3­dihydro­7­nitro­5­phenyl­2H­1,4­ benzdiazepin­2­ one.   Page 43 of 47