1-phosphatidyl-1D-myo-inositol 4-phosphate(3-)
1-phosphatidyl-1d-myo-inositol 4-phosphate(3-)
An organophosphate oxoanion arising from deprotonation of the phosphate OH groups of 1-phosphatidyl-1<small>D</small>-<i>myo</i>-inositol-4-phosphate; major species at pH 7.3.