N-(2,2,2-三氟乙基)脲

4-oxo-4-(2,2,2-trifluoroethylamino)but-2-enoic acid

1-nitro-2-(2,2,2-trifluoroethyl)guanidine

1,3-bis(2,2,2-trifluoroethyl)urea

2,2,2-trifluoro-N-(2,2,2-trifluoroethyl)acetamide