2’’O-Galloylhyperin Description 2’’O-Galloylhyperin is a flavonoid isolated from Pyrola calliantha Specifications Cas No. 53209-27-1 Product ID G0247 Product Name 2’’O-Galloylhyperin Synonym 2’-O-Galloylhyperin Formula C28H24O16 Formula Wt. 616.48 Purity ≥98.0%