三聚甲醛

methyl 3,3,3-trifluoro-2-hydroxy-2-trifluoromethylpropionate

methyl 3,3,3-trifluoro-2-(fluoromethoxy)-2-(trifluoromethyl)propanoate

Methyl 3,3,3-trifluoro-2-trifluoromethyl-2-methoxypropionate

1,1,1,3,3,3-hexafluoro-2-bromomethoxy-propane