O-(Benzotriazol-1-yl)-N,N,N’,N’-tetramethyluronium Hexafluorophosphate (HBTU)
O-(7-Azabenzotriazol-1-yl)-N,N,N’,N’-tetramethyluronium Tetrafluoroborate
O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N’,N’-tetramethyluronium Hexafluorophosphate
O-(6-Chlorobenzotriazol-1-yl)-N,N,N’,N’-tetramethyluronium Hexafluorophosphate
1-[Bis(dimethylamino)methylene]-5-chloro-1-benzotriazolium 3-Oxide Tetrafluoroborate
N,N,N’,N’-Tetramethyl-O-(N-succinimidyl)uronium Hexafluorophosphate
O-(5-Norbornene-2,3-dicarboximido)-N,N,N’,N’-tetramethyluronium Hexafluorophosphate
Fluoro-N,N,N’,N’-tetramethylformamidinium Hexafluorophosphate
(7-Azabenzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate
7-Azabenzotriazol-1-yloxytris(dimethylamino)phosphonium Hexafluorophosphate
O-(7-Azabenzotriazol-1-yl)-N,N,N’,N’-tetramethyluronium Hexafluorophosphate (HATU)
O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N’,N’-tetramethyluronium Tetrafluoroborate