(R)-3-Carboxy-2-hydroxy-N,N,N-trimethylpropan-1-aminium (2R,3R)-2,3-dihydroxysuccinate

O-(5-Norbornene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium Hexafluorophosphate

O-(7-Azabenzotriazol-1-yl)-N,N,N',N'-tetramethyl uronium hexafluorophosphate

(Z)-N-[2-Chloro-3-(dimethylamino)allylidene]-N-methylmethanaminium Hexafluorophosphate

N-(6-cyano-2-methyl-7-oxo-4,8-dioxa-2,5-diazadec-5-en-3-ylidene)-N-methylmethanaminium tetrafluoroborate

2-((Bis(dimethylamino)methylene)amino)-1,3-dimethyl-4,5-dihydro-1H-imidazol-3-ium chloride

Bromotri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V)

2-(1,3-Dioxo-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindol-2(3H)-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate

Bis(4-nitrophenyl) carbonate

1-(Fluoro(pyrrolidin-1-yl)methylene)pyrrolidin-1-ium hexafluorophosphate(V)