1,2-Bis(2-amino-5-fluorophenoxyl)ethane-N,N,N',N'-tetraacetic acid 5,5'-F2-Bapta 5,5'-Fbapta 5,5'-difluoro-1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid 5F-Bapta 85233-21-2 Glycine, N,N'-(1,2-ethanediylbis(oxy(5-fluoro-2,1-phenylene)))bis(N-(carboxymethyl)-