You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2R,3S,4R,5R)-3,4-dihydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]propan-2-yloxy-(1-hydroxyethyl)phosphinic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H23N2O9P
assistant