| [(2R,3S)-5-(2-AMINO-6-OXO-3H-PURIN-9-YL)-2-[[[(2R,5R)-5-(4-AMINO-2-OXO-PYRIMIDIN-1-YL)-2-(HYDROXYMETHYL)TETRAHYDROFURAN-3-YL]OXY-HYDROXY-PHOSPHORYL]OXYMETHYL]TETRAHYDROFURAN-3-YL][(2R,3S,5R)-3-HYDROXY-5-(5-METHYL-2,4-DIOXO-PYRIMIDIN-1-YL)TETRAHYDROFURAN-2 |
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