四氟丁二酸

全氟丁烷-1,4-二基二氟硫酸酯

methyl 2,2-difluoro-2-iodoacetate

3,3,4,4,8,8,9,9-octafluoro-5,10-dihydroxy-5,10-dimethoxy-1,6-dioxacyclodecan-2,7-dione

2,2,3,3-tetrafluoro-4-methoxy-4-oxobutanoic acid