Ethyl trifluoropyruvateEthyl 3,3,3-trifluoropyruvate3,3,3-三氟丙酮酸乙酯Trifluoropyruvic Acid Ethyl Ester Ethyl 3,3,3-Trifluoro-2-oxopropanoateEthyl TrifluoropyruvateEthyl 2-oxo-3,3,3-trifluoropropanoateEthyl 3,3,3-Trifluoropyruvate3,3,3-Trifluoro-2-oxopropanoic Acid Ethyl EsterEthyl trifluoropyruvate 98%三氟丙酮酸乙酯ethyl 3,3,3-trifluoro-2-oxopropanoateEthyltrifluoropyruvateEthyl trifluoropyruvateTrifluoropyruvic acid ethyl ester