Spectroscopic Characterization And Crystal Constructions Of 4 Hydrochloride Cathinones: N-ethyl-2-amino-1-phenylhexan-1-one Hexen, Neh, N-methyl-2-amino-1-4-methylphenyl-3-methoxypropan-1-one Mexedrone, N-ethyl-2-amino-1-3,4-methylenedioxyphenylpentan-1-one Ephylone And N-butyl-2-amino-1-4-chlorophenylpropan-1-one 4-chlorobutylcathinone Springerlink