3-methylaminopiperidine  
  S-(+)-2-methylpiperazine  
  R-(-)-2-methylpiperazine  
  (R)-1-Boc-2-methyl-piperazine  
  (S)-1-Boc-2-methyl-piperazine  
     
  3-methylpyridine  
  3-cyanopyridine  
  Nicotinamide  
  3-aminopyridine  
  2,3-Dichloropyridine  
 
 
 
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