1D-myo-inositol 1,3-biphosphate(4-)
1d-myo-inositol 1,3-biphosphate(4-)
An inositol phosphate oxoanion obtained by deprotonation of the phospho groups of 1<small>D</small>-<em>myo</em>-inositol 1,3-biphosphate; major species at pH 7.3.