anchor.diff:  2f-ketamine;en
   2f-ket;en
   2-fluorodeschloroketamine;en
  -2-fl-2-oxo-pcm;en
  +2-fl-2'-oxo-pcm;en
   2f-dck;en
   2fket;en
   4-ho-dpt;en
  
positive.code: amphetamin;en
  amfetamine;en
  amph;en
  methamphetamine;en
  meth;en
  desoxyn;en
  vyvanse;en
  lisdextroamfetamine;en
  lisdextroamphetamine;en
  
negative.code: alphamethyltryptamine;en
  indopan;en
  monase;en
  lsm-775;en
  lsm;en
  4-ho-met;en
  4homet;en
  homet;en
  