Trimellitic anhydride, propylene glycol polymer;AC1O5A2Q;1,3-dioxo-2-benzofuran-5-carboxylic acid; propane-1,2-diol;5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,2-propanediol;63948-88-9
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