Ammonium trifluoroacetate3336-58-131 % similar N-Trifluoroacetyl-L-lysine N-carboxyanhydride42267-27-631 % similar N6-(2,2,2-Trifluoroacetyl)-L-lysine10009-20-831 % similar Dimethadione695-53-431 % similar 2-(Trifluoromethyl)acrylic acid381-98-630 % similar 3,3,4,4-Tetrafluorodihydro-2,5-furandione699-30-930 % similar