提供产品的检测报告（产品COA），纯度95%，提供LCMS、HNMR的测试报告及原始数据。

Name：((((3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-3′,6′-diyl)bis(oxy))bis(oxo-l5-phosphanetriyl))tetrakis(oxy))tetrakis(methylene) tetraacetate
Chemical Formula: C32H30O19P2
Molecular Weight: 780.5205
m/z: 780.0857 (100.0%), 781.0890 (34.6%), 782.0924 (5.8%), 782.0899 (3.9%), 783.0933 (1.4%)
Elemental Analysis: C, 49.24; H, 3.87; O, 38.95; P, 7.94