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uracil

One of the 5 major bases (with adenine, guanine, cytosine, and thymine) which are a component of nucleic acids.
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Synonym:2-hydroxy-4-(1H)-pyrimidione
2-hydroxy-4-(3H)-pyrimidione
2,4-dioxopyrimidine
2,4-pyrimidinediol
Code name:BMS-205603-01
SQ-6201
Chemical structure:2,4(1H,3H)-pyrimidinedione
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