Bistriflimide82113-65-332 % similar 4-Acetylphenyl trifluoromethanesulfonate109613-00-532 % similar (R)-2,2′-Bis(trifluoromethanesulfonyloxy)-1,1′-binaphthyl126613-06-732 % similar (S)-BINOL bis(triflate)128544-05-832 % similar 2,2′-Bis(trifluoromethanesulfonyloxy)-1,1′-binaphthyl128575-34-832 % similar 2-(Trimethylsilyl)phenyl trifluoromethanesulfonate88284-48-432 % similar tert-Butyl(diphenyl)silyl trifluoromethanesulphonate92886-86-732 % similar