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system
What is the molecular formula of the molecule identified by 3-[[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-[5-methyl-2,4-dioxo-3-(2-oxopropyl)pyrimidin-1-yl]oxolan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile ?
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C43H53N4O9P
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