1-(Bis(dimethylamino)methylene)-1H-benzotriazolium hexafluorophosphate(1-) 3-oxide94790-37-1100 % similar O-(Benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate125700-67-679 % similar HCTU330645-87-972 % similar HATU148893-10-171 % similar TCTU330641-16-257 % similar N,N,N',N'-Tetramethyl-S-(1-oxido-2-pyridyl)thiuronium hexafluorophosphate212333-72-741 % similar Hdbtu164861-52-335 % similar Chloro-N,N,N',N'-tetramethylformamidinium Hexafluorophosphate94790-35-932 % similar