4,4'-Bis[diphenylsulfonio]phenylsulfide bishexafluoroantimonate sulfonium (thiodi-4 1-phenylene)bis[diphenyl bi-hexafluoroantimonate] sulfonium (thiodi-4,1-phenylene)bis[diphenyl bi-hexafluoroantimonate], Mixed Triarylsulfonium Hexafluoroantimonate Salts, dihexafluoroantimonate compound, Triarylsulfonium hexafluoroantimonate