1-Bromo-2-chloro-1,1,2,2-tetrafluoroethane354-53-031 % similar 1-(Trifluoromethyl)cyclopropanecarboxylic acid277756-46-431 % similar 2,2-Bis(trifluoromethyl)propionic acid45048-36-031 % similar Flupropanate756-09-231 % similar 3,3,3-Trifluoro-2,2-dimethylpropanoic acid889940-13-031 % similar