The molecule is an inositol phosphate oxoanion obtained by deprotonation of the phospho groups of 1D-myo-inositol 3,4-biphosphate; major species at pH 7.3. It is a conjugate base of a 1D-myo-inositol 3,4-bisphosphate.
[(1S,2R,3S,4S,5S,6S)-2,3,4,5-tetrahydroxy-6-phosphonatooxycyclohexyl] phosphate