(R)-5-Isopropyl-2-phenyl-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate

(S)-5-Benzyl-2-(perfluorophenyl)-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate

(5aR,10bS)-2-(2,4,6-Triisopropylphenyl)-5a,10b-dihydro-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-2-ium tetrafluoroborate

(S)-5-Benzyl-2-(4-(tert-butyl)phenyl)-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate

(R)-5-Benzyl-2-(2,4,6-trichlorophenyl)-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate

(R)-5-Benzyl-2-(perfluorophenyl)-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate

(R)-5-Benzyl-2-mesityl-2,5,6,8-tetrahydro-[1,2,4]triazolo[3,4-c][1,4]oxazin-4-ium tetrafluoroborate

(R)-5-Benzyl-2-phenyl-5,6-dihydro-8H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate

(2R,3R)-6-Mesityl-2,3-diphenyl-2,3-dihydroimidazo[1,2-c]quinazolin-6-ium tetrafluoroborate

2-(3,5-Bis(trifluoromethyl)phenyl)-9-bromo-4,5a,6,10b-tetrahydroindeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-2-ium tetrafluoroborate