Synonyms: 2',4'-Difluoro-gamma-oxo-(1,1'-biphenyl)-4-butanoic acid;4-(2',4'-difluorobiphenyl-4-yl)-4-oxobutanoic acid;(1,1'-Biphenyl)-4-butanoic acid, 2',4'-difluoro-gamma-oxo-;Lactonol of (Z)-4-(2',4'-difluorobiphenyl-4-yl)-3-methyl-4-oxobut-2-enoic acid;AC1Q4OAJ;AC1L536D;AR-1F5730;LS-44184;4-[4-(2,4-difluorophenyl)phenyl]-4-oxobutanoic acid