#product.chemical  a chemical substance formed as a result of a chemical reaction; "a product of lime and nitric acid"
  supertype:  #chemical  produced by or used in a reaction involving changes in atoms or molecules
  subtype:  #hydrolysate  a product of hydrolysis
  subtype:  #filtrate  the product of filtration; a gas or liquid that has been passed through a filter
     subtype:  #percolate  the product of percolation

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