1,1,1-trimethoxy-2-(trifluoromethylsulfanyl)ethane

1,1,1-trifluoro-4,4,4-trimethoxy-2-(trifluoromethyl)butan-2-ol

1,1,1-trifluoro-4,4-dimethoxy-2-(trifluoromethyl)but-3-en-2-ol

4-甲氧基-2,6-二甲基苯甲酸甲酯

methyl 8,8-dimethoxy-1,5-dimethyl-3-oxo-2-oxabicyclo[2.2.2]oct-5-ene-6-carboxylate