12-[(2,2,2-trifluoroacetyl)amino]dodecanoic acid

甲硫醇

trifluoroacetyltrimethylsilane ethyltrimethylsilyl ketal

ethyltrimethylsilyl-2,2-difluoroketene acetal

4,4,4-trifluoro-1-(4-phenylmethoxyphenyl)butane-1,3-dione