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What is the molecular formula of the compound with this IUPAC name ethyl 5-[9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-[(2-ethoxycarbonyl-3-hydroxyprop-2-enylidene)amino]purin-2-yl]-1H-pyrazole-4-carboxylate ?
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C22H25N7O9
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