3-Bromo-1,1,1-trifluoroacetone3-Bromo-1,1,1-trifluoroacetone3-溴-1,1,1-三氟丙酮3-Bromo-1,1,1-trifluoropropan-2-one3-Bromo-1,1,1-trifluoroacetone 98%3-Bromo-2-oxo-1,1,1-trifluoropropane1-Bromo-3,3,3-trifluoro-2-propanone3-Bromo-1,1,1-trifluoropropan-2-one3-BroMo-1,1,1-trifluoro-2-propanone3-Bromo-1,1,1-trifluoroacetone1-Bromo-3,3,3-trifluoroacetone1-溴-3,3