You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(4-aminopyrrolo[2,3-d]pyrimidin-7-yl)-2-methoxybutoxy]-bis(2,2-dimethylpropanoyloxymethoxy)-hydroxyphosphanium;ethane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H44N4O9P+
assistant