2-Benzofurancarboxylic acid, 5-(3-pyridinylmethyl)-, sodium salt 5-(3'-Pyridinylmethyl)benzofuran-2-carboxylate sodium 85666-17-7 Furegrelate Sodium 5-(3-pyridinylmethyl)-2-benzofurancarboxylate U 63557A U-63557A