#tartrate  a salt or ester of tartaric acid
  supertype:  salt  a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
  subtype:  tartar_emetic__tartaremetic__antimony_potassium_tartrate  a poisonous colorless salt used as a mordant and in medicine
  subtype:  bitartrate  an acid tartrate; a hydrogen tartrate

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