purine , purin
1 a colourless crystalline solid that can be prepared from uric acid. Formula: C5H5N4
2 (Also called)
purine base any of a number of nitrogenous bases, such as guanine and adenine, that are derivatives of purine and constituents of nucleic acids and certain coenzymes
(C19: from German Purin; see pure, uric, -ine2)
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