#acetic_acid__ethanoic_acid  a colorless pungent liquid widely used in manufacturing plastics and pharmaceuticals
  supertype:  carboxylic_acid  an organic acid characterized by one or more carboxyl groups
  substance of:  diclofenac_potassium  diclofenac_sodium  etodolac  indomethacin  ketorolac  ketorolac_tromethamine
  subtype:  acetum  a dilute solution of acetic acid that is used as a solvent (e.g. for a drug)
  subtype:  trichloroacetic_acid__trichloroaceticacid__trichloracetic_acid  a strong acid made by chlorinating acetic acid
  subtype:  vinegar  dilute acetic acid

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