5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-,(1-methylethylidene)di-4,1-phenylene ester

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-,(1-methylethylidene)di-4,1-phenylene ester · CAS 2770-50-5