.omega.-(Trifluoroacetyl)acetophenone 1,3-Butanedione, 4,4,4-trifluoro-1-phenyl- 1-Benzoyl-3,3,3-trifluoro-2-propanone 1-Benzoyl-3,3,3-trifluoroacetone 3-Benzoyl-1,1,1-trifluoroacetone 326-06-7 Benzoyl(trifluoroacetyl)methane NSC42628