2-acetyl-4-(N-carboxymethylsulfamoyl)-7-benzyloxybenzofuran
[[2-Acetyl-7-(4-methoxy-benzyloxy)-benzofuran-4-sulfonyl]-(4-methoxy-benzyl)-amino]-acetic acid
[[2-Acetyl-7-(4-chloro-benzyloxy)-benzofuran-4-sulfonyl]-(4-chloro-benzyl)-amino]-acetic acid
[(2-Acetyl-7-benzyloxy-benzofuran-4-sulfonyl)-benzyl-amino]-acetic acid
2-acetyl-4-(N-carboxymethylsulfamoyl)-7-p-methoxybenzyloxybenzofuran