((4-Hydroxy-3-(2-(3-hydroxy-4-methoxyphenyl)ethyl)-1,2-benzisoxazol-6-yl)oxy)acetic acid monosodium salt 70413-08-0 Acetic acid, ((4-hydroxy-3-(2-(3-hydroxy-4-methoxyphenyl)ethyl)-1,2-benzisoxazol-6-yl)oxy)-, monosodium salt