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IUPAC标准名
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5-{5-hydroxy-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H,5H,7H,8H-pyrano[4,3-d]pyrimidin-7-yl}-1,3,6-trimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione
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IUPAC传统名
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5-{5-hydroxy-1,3-dimethyl-2,4-dioxo-5H,7H,8H-pyrano[4,3-d]pyrimidin-7-yl}-1,3,6-trimethylpyrimidine-2,4-dione
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