You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2R,3R,4R)-5-(4-aminopyrrolo[2,3-d]pyrimidin-7-yl)-3,4-dihydroxy-4-methyloxolan-2-yl]methyl dihydrogen phosphate .
user
C12H17N4O7P
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