The molecule is the organophosphate oxoanion that is the tetraanion of 7,8-dihydromonapterin 3-triphosphate; the major species at pH 7.3. It is a conjugate base of a 7,8-dihydromonapterin 3-triphosphate.
[[[(2S,3S)-3-(2-amino-4-oxo-7,8-dihydro-3H-pteridin-6-yl)-2,3-dihydroxypropoxy]-oxidophosphoryl]oxy-oxidophosphoryl] phosphate