2-(4-(2',4'-Difluorophenyl)phenyloxy)propionic acid 2-(4-(2',4'-Difluorphenyl)phenoxy)propionsaure [German] 85209-74-1 MR 714 Propanoic acid, 2-((2',4'-difluoro(1,1'-biphenyl)-4-yl)oxy)- Propionic acid, 2-((2',4'-difluoro-4-biphenylyl)oxy)-