[(2R,3R,4S,5S)-5-(2-amino-4-oxo-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-7-yl)-3,4-dihydroxypyrrolidin-2-yl]methyl dihydrogen phosphate
[(2r,3r,4s,5s)-5-(2-amino-4-oxo-4,5-dihydro-3h-pyrrolo[3,2-d]pyrimidin-7-yl)-3,4-dihydroxypyrrolidin-2-yl]methyl dihydrogen phosphate