(4-(3-(1,3-Benzodioxol-5-yl)-1-oxopropyl)-3,5-dihydroxyphenoxy)acetic acid monosodium salt 70412-99-6 Acetic acid, (4-(3-(1,3-benzodioxol-5-yl)-1-oxopropyl)-3,5-dihydroxyphenoxy)-, monosodium salt