title: Radiochemical purity of a 99mTc-labeled pyrophosphate technescan PYP.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods; D011756:Diphosphates / Q000032:analysis; D013667:Technetium / Q000302:isolation & purification*
chemical_list: D011756:Diphosphates; D013667:Technetium