#naphthol  either of two phenols derived from naphthalene
  supertype:  #phenol  any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
  subtype:  #alpha-naphthol__alphanaphthol  an isomer of naphthol used in dyes
  subtype:  #beta-naphthol  an isomer of naphthol used in rubber as an antioxidant

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