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What is the molecular formula of the molecule identified by 3-[[(2R,3R,4R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[tert-butyl(dimethyl)silyl]oxy-5-(5-oxoimidazo[1,2-a]pyrimidin-8-yl)oxolan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile ?
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C47H62N5O8PSi
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