The molecule is a ribose monophosphate having the phosphate group at the 5-position and an amino group in place of hydroxy at the anomeric centre. It is a ribose monophosphate and a ribosylamine. It is a conjugate acid of a 5-phosphonato-D-ribosylaminium(1-).
[(2R,3S,4R)-5-amino-3,4-dihydroxyoxolan-2-yl]methyl dihydrogen phosphate