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Name:(2R,3R,4R,5S)-3,4,5-trihydroxy-6-(3-hydroxy-5-((E)-4-hydroxystyryl)phenoxy)tetrahydro-2H-pyran-2-carboxylic acid

Chemical Formula: C20H20O9

Molecular Weight: 404.3710 m/z: 404.1107 (100.0%), 405.1141 (21.6%), 406.1174 (2.2%), 406.1150 (1.8%) Elemental Analysis: C, 59.41; H, 4.99; O, 35.61