The molecule is decaanion of 1D-myo-inositol 1,2,3,5,6-pentakisphosphate arising from global deprotonation of the phosphate functions. It is a conjugate base of a 1D-myo-inositol 1,2,3,5,6-pentakisphosphate.
[(1R,2S,4R,5R)-3-hydroxy-2,4,5,6-tetraphosphonatooxycyclohexyl] phosphate