84303-06-0 AIDS-000686 AIDS000686 HPA Heteropolyoxotungstate PM-19 PM-19 Phosphoric acid, titanium-tungsten complex Titanate(7-), (heptadeca-m-oxodecaoxodecatungstate)hepta-m-oxodioxo[m12-[phosphato(3-)-O:O:O:O':O':O':O'':O'':O'':O''':O''':O''']]di-, heptapotassium Titanate(7-), (heptadeca-m-oxodecaoxodecatungstate)hepta-m-oxodioxo[m12-[phosphato(3-)-kO:kO:kO:kO':kO':kO':kO'':kO'':kO'':kO''':kO''':kO''']]di-, heptapotassium