2,2,2-Trifluoro-1-(3-fluorophenyl)ethan-1-one 708-64-5 Acetophenone, 2,2,2,3'-tetrafluoro- EINECS 211-903-6 Ethanone, 2,2,2-trifluoro-1-(3-fluorophenyl)- NSC 158170 m,alpha,alpha,alpha-Tetrafluoroacetophenone m-Fluorotrifluoroacetophenone