(2S,3S,4S,5R,6S)-6-((2-((4-((2,4-dioxothiazolidin-5-yl)methyl)phenoxy)methyl)-2,5,7,8-tetramethylchroman-6-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
(2S,3S,4S,5R,6S)-6-((2-((4-((2,4-dioxothiazolidin-5-yl)methyl)phenoxy)methyl)-2,5,7,8-tetramethylchroman-6-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid