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  Ethers
Alcohols
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Carboxylic acid derivat...
Amines
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Hydrocarbons--alkanes
Hydrocarbons--olefins
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Heterocyclic compoun...
Nitriles
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Heterocyclic compounds--pyridine
  2, 6 dichloro pyridine
  Pure pyridine
  4 - cyanopyridine
  4 - dimethyl aminopyridine
  2 - methyl pyridine
 
 
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