ethyl 7-(4-chlorobenzoyl)-5-chloro-2,3-dihydrobenzofuran-3-carboxylate
ethyl 7-benzoyl-5-chloro-2,3-dihydrobenzofuran-3-carboxylate
methyl 7-benzoyl-5-chloro-2,3-dihydro-1-benzofuran-3-carboxylate
5-chloro-7-(4-chlorobenzoyl)-2,3-dihydro-1-benzofuran-3-carboxylic acid
7-benzoyl-5-chloro-2,3-dihydrobenzofuran-3-carboxylic acid