claim: The Maze Runner is an unadapted novel.
evidence: Methylone -LRB- also known as `` 3,4-methylenedioxy-N-methylcathinone '' , `` MDMC '' , '' βk-MDMA '' and by the slang term `` M1 '' -RRB- is an empathogen and stimulant psychoactive drug .. empathogen. empathogen-entactogen. stimulant. stimulant. psychoactive drug. psychoactive drug. MDMA. MDMA. methylenedioxy. methylenedioxy. It is a member of the substituted amphetamine , substituted cathinone and substituted methylenedioxyphenethylamine classes .. substituted amphetamine. substituted amphetamine. substituted cathinone. substituted cathinone. substituted methylenedioxyphenethylamine. substituted methylenedioxyphenethylamine. classes. chemical classification. Methylone is the substituted cathinone analog of MDMA and the 3,4-methylenedioxy analog of methcathinone .. substituted cathinone. substituted cathinone. analog. structural analog. MDMA. MDMA. methylenedioxy. methylenedioxy. methcathinone. methcathinone. The only structural difference of methylone with respect to MDMA is the substitution of 2 hydrogen atoms by 1 oxygen atom in the β position of the phenethylamine core , forming a ketone group .. MDMA. MDMA. phenethylamine. phenethylamine. ketone. ketone. group. functional group. Methylone was first synthesized by the chemists Peyton Jacob III and Alexander Shulgin in 1996 for potential use as an antidepressant .. Alexander Shulgin. Alexander Shulgin. Starting around 2004 , methylone has been sold for recreational use , taking advantage of the absence of legal prohibition of this compound in many countries .. recreational use. recreational drug use