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2-(7-Azabenzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate873798-09-5100 % similar N,N,N',N'-Tetramethyl-O-(3,4-dihydro-4-oxo-1,2,3-benzotriazin-3-yl)uronium tetrafluoroborate125700-69-864 % similar Hdbtu164861-52-352 % similar 2-(2-Pyridon-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate125700-71-247 % similar (7-Azabenzotriazol-1-yloxy)tris(dimethylamino)phosphonium Hexafluorophosphate156311-85-245 % similar ((7-Azabenzotriazol-1-YL)oxy)tris(pyrrolidino)phosphonium hexafluorophosphate156311-83-039 % similar O-(Benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate125700-67-635 % similar 1-Hydroxy-7-azabenzotriazole39968-33-735 % similar 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate105832-38-035 % similar HATU148893-10-132 % similar TCTU330641-16-231 % similar N,N,N',N'-Tetramethyl-S-(1-oxido-2-pyridyl)thiouronium Tetrafluoroborate255825-38-831 % similar O-(Benzotriazol-1-yl)-N,N,N',N'-bis(tetramethylene)uronium Hexafluorophosphate105379-24-630 % similar 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate125700-73-430 % similar (Benzotriazol-1-yloxy)dipiperidinocarbenium hexafluorophosphate190849-64-030 % similar