(3,5-Dihydroxy-4-(3-(3-hydroxy-4-propoxyphenyl)-1-oxopropyl)phenoxy)acetic acid monosodium salt 70412-94-1 Acetic acid, (3,5-dihydroxy-4-(3-(3-hydroxy-4-propoxyphenyl)-1-oxopropyl)phenoxy)-, monosodium salt