N,N'-ethylenebis(trifluoroacetylacetoneimine)

N,N'-Bis(1-methyl-3-oxo-4,4,4-trifluorobutylidene)ethylenediamine

N,N'-Bis(1-methyl-3-oxo-4,4,4-trifluorobutylidene)-1,2-ethanediamine