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What is the molecular formula of the compound with this IUPAC name (2S,3S,5R)-2-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]-5-[6-[[(4-methoxyphenyl)-diphenylmethyl]amino]purin-9-yl]oxolan-3-ol ?
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C50H45N5O5
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