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system
Name the molecular formula for the molecule established as (3R,4S,6R)-6-(2-diethoxyphosphorylethoxy)-4-[(2R,3R)-2-methyl-3-(3-methylbut-2-enyl)oxiran-2-yl]-1-oxaspiro[2.5]octane using the IUPAC nomenclature.
user
C21H37O6P
assistant