tert-Butyl(diphenyl)silyl trifluoromethanesulphonate92886-86-731 % similar Sodium benzenesulfonate515-42-431 % similar 2-[N,N-Bis(trifluoromethylsulfonyl)amino]pyridine145100-50-130 % similar 1-Hexyl-3-methylimidazolium trifluoromethanesulfonate460345-16-830 % similar 4,4′-Bis[diphenylsulfonio]phenylsulfide bishexafluoroantimonate89452-37-930 % similar