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. Author manuscript; available in PMC: 2012 May 20.
Published in final edited form as: J Chromatogr A. 2011 Mar 21;1218(20):3118–3123. doi: 10.1016/j.chroma.2011.03.026

Fig 2.

Fig 2

Potential biosynthetic pathways of NMSal, a parkinsonian neurotoxin: the condensation of dopamine (a neurotransmitter) with acetaldehyde (an alcohol metabolite) produces Sal that can be converted to NMSal by N-methytransferase; and the condensation of epinine that can be formed from dopamine via N-methylation with acetaldehyde produces NMSal.