4-(((5-Fluoro-2-hydroxyphenyl)(4-fluorophenyl)methylene)amino)butanoic acid sodium salt 62665-57-0 Butanoic acid, 4-(((5-fluoro-2-hydroxyphenyl)(4-fluorophenyl)methylene)amino)-, monosodium salt SL 75,045 Sodium 4-N-(alpha-(4-fluorophenyl)-5-fluoro-2-hydroxybenzylidenyl)amino butyrate