(5aR,10bS)-2-(2,6-Diethylphenyl)-4,5a,6,10b-tetrahydro-2H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate

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

(5aS,10bR)-2-(2,4,6-Trichlorophenyl)-4,5a,6,10b-tetrahydro-2H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate

(S)-5-isopropyl-2-(perfluorophenyl)-2,5,6,8-tetrahydro-[1,2,4]triazolo[3,4-c][1,4]oxazin-4-ium tetrafluoroborate

(5S)-5-(sec-Butyl)-2-(perfluorophenyl)-2,5,6,8-tetrahydro-[1,2,4]triazolo[3,4-c][1,4]oxazin-4-ium tetrafluoroborate

(CDU-NHC-01)3-(4-Methyl-2,6-bis((R)-1-phenylethyl)phenyl)-5,6,7,8-tetrahydro-4H-cyclohepta[d]thiazol-3-ium tetrafluoroborate

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

(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