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1,3,8-TRIMETHYL-6-NITRO-5-[(1,1,1-TRIPHENYL-LAMBDA~5~-PHOSPHANYLIDENE)AMINO ]-1,2,3,4,7,8-HEXAHYDROPYRIDO[2,3-D]PYRIMIDINE-2,4,7-TRIONE |
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1,3,7-Trimethyluric acid-13C4,15N3 (2,4,5,6-13C4, 1,3,9-15N3), 2,6,8-Trihydroxy-1,3,7-trimethylpurine-13C4,15N3 (2,4,5,6-13C4, 1,3,9-15N3) |
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