Substituted Methcathinones CompoundStructure Methcathinone 3,4-Methylenedioxypyrovalerone 3,4-Methylenedioxypyrrolidinohexiophenone 3,4-Methylenedioxypyrrolidinoisohexanophenone 4-Methylbuphedrone 4-Methylpentedrone 5-Dihydrobenzofuranpyrovalerone Buphedrone Bupropion Ethcathinone Mephedrone Metaphedrone N-Ethylheptedrone N-Ethylpentedrone Orthophedrone Pentedrone