You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R,2R,3R)-2-deuterio-3-deuteriooxy-1-phenyl-3-(trideuteriomethoxy)propyl]-diphenylphosphane by IUPAC nomenclature, provide its molecular formula.
user
C22H23O2P
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