Purinones (oxopurines) are derivatives of purine which have a substituted keto group.[1]

Purine
Xanthine
Hypoxanthine

Most are divided into 2 families:

Purinones form the central core of numerous pharmaceutical drugs used in a variety therapeutic areas.[2]

References

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  1. ^ Purinones at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
  2. ^ "Purinones". DrugBank.