for the following products
2-(1,3-Dioxo-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindol-2(3H)-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate | 2-(endo-5-norbornene-2,3-dicarboxylimide)-1,1,3,3-tetramethyluronium tetrafluoroborate | 2-(endo-5-norbornene-2,3-dicarboxymido)-1,1,3,3-tetramethyluronium tetrafluoroborate | O-(5-Norbornene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium tetrafluoroborate | TNTU and 2-(5-Norbornene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate
