137786-87-9 5-(4-(6-Ethoxycarbonyloxy-2,5,7,8-tetramethylchroman-2-ylmethoxy)benzyl)thiazolidine-2,4-dione Carbonic acid, 2-((4-((2,4-dioxo-5-thiazolidinyl)methyl)phenoxy)methyl)-3,4-dihydro-2,5,7,8-tetramethyl-2H-1-benzopyran-6-yl ethyl ester