RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of claims 1-3, the only claims presented in appellant's application Ser. No. 836,870, filed August 31, 1959, for "2,4,6-TRIALKYLPYRAZOLO [4,3-d]-4,5,6,7-TETRAHYDROPYRIMIDINE 5,7-DIONES."
The specification, which is brief and occupies less than three pages of the printed record, states:
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