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Paraxanthine-d6(dimethyl-d6), 1,7-Dimethyl-1H-purine-2,6-dione-d6 (dimethyl-d6), 1,7-Dimethylxanthine-d6 (dimethyl-d6), 2,6-Dihydroxy-1,7-dimethylpurine-d6 (dimethyl-d6) |
Paraxanthine-d6(dimethyl-d6), 1,7-Dimethyl-1H-purine-2,6-dione-d6 (dimethyl-d6), 1,7-Dimethylxanthine-d6 (dimethyl-d6), 2,6-Dihydroxy-1,7-dimethylpurine-d6 (dimethyl-d6) |
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