[(2-Acetyl-7-benzyloxy-benzofuran-4-sulfonyl)-benzyl-amino]-acetic acid benzyl ester
2-acetyl-7-hydroxybenzofuran
2-Acetyl-7-methoxybenzofuran
2-acetyl-4-ethoxycarbonylmethylsulfamoyl-7-methoxybenzofuran
2-acetyl-4-carboxymethylsulfamoyl-7-hydroxybenzofuran