Ethanone, 1-??(4-??amino-??2-??pyridinyl)?? Trifluoroacetic Acid is the salt derivative of Ethanone, 1-??(4-??amino-??2-??pyridinyl)?? (1256785-86-0 #CAS), which is used in the preparation of methylsulfonyl-substituted piperidine urea compounds for the treatment of dilated cardiomyopathy.