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What is the molecular formula of the compound with this IUPAC name 1-[(5R,6R,8R,9R)-4-amino-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-9-[2,3-dimethylbutan-2-yl(dimethyl)silyl]oxy-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidine-2,4-dione ?
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C26H47N3O8SSi2
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