α,α-difluoro-β,β,β-trichloroethoxybenzene

(2,2-dichloro-1,1-difluoroethoxy)benzene

辛酸铵

ethyl 2,2,3,3,4-pentafluoro-4-oxobutanoate

methyl 2,2,3,3,4-pentafluoro-4-oxobutanoate