triethyloxonium tris(pentafluoroethyl)trifluorophosphate

1-cyano-4-N,N-dimethylaminopyridinium bromide

triethyloxonium bis(trifluoromethylsulfonyl)imide

1,3-二溴丙烷

4-(4-chlorophenyl)-1-ethyl-2,3,5,6-tetraphenylpyridin-1-ium bromide