5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-,1-methyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester
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navidrex-K 83487-88-1
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CH2O3.xBa.xNa 681447-76-7