2,3-Dihydro-3-(4-bromophenyl)-alpha-methyl-2-oxo-5-benzofuranacetic acid methyl ester 5-Benzofuranacetic acid, 2,3-dihydro-3-(4-bromophenyl)-alpha-methyl-2-oxo-, methyl ester 77143-66-9 BRN 4528248