2 3 5 6-tetrafluoroterephthalic acid July 8, 2019 16 32 64 128 2 3 5 6 tetrafluoroterephthalic acid 2 3 5 6-tetrafluorobenzoic acid 2 3 5 6-tetrafluoro-7 7 8 8-tetracyanoquinodimethane 2 2 2-trifluoroacetic acid 2 2-difluoro-2-(triphenylphosphonio)acetate
