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system
Name the molecular formula for the molecule established as [[(2R,3S,4R,5R)-5-[6-amino-2-(ethylamino)-2,3-dihydropurin-9-yl]-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate using the IUPAC nomenclature.
user
C12H23N6O13P3
assistant