372-31-6 AI3-52657 Acetoacetic acid, 4,4,4-trifluoro-, ethyl ester Butanoic acid, 4,4,4-trifluoro-3-oxo-, ethyl ester EINECS 206-750-7 Ethyl (trifluoroacetyl)acetate Ethyl 4,4,4-trifluoroacetoacetate Ethyl trifluoroacetoacetate NSC 42739