S-(Trifluoromethyl)dibenzothiophenium tetrafluoroborate131880-16-5100 % similar 5-(Trifluoromethyl)dibenzothiophenium trifluoromethanesulfonate129946-88-954 % similar 5-(Trifluoromethyl)dibenzothiophen-5-ium-3-sulfonate160656-62-249 % similar Triphenylcarbenium tetrafluoroborate341-02-634 % similar Cyclopropyldiphenylsulfonium tetrafluoroborate33462-81-632 % similar Di-tert-butylphenylphosphonium tetrafluoroborate612088-55-832 % similar Diphenyl-(trifluoromethyl)-sulfonium trifluoromethanesulfonate147531-11-131 % similar 1,1'-Difluoro-2,2'-bipyridinium Bis(tetrafluoroborate)178439-26-431 % similar