Potassium [2-(benzyloxycarbonylamino)ethyl]trifluoroborate
2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
Potassium (bromomethyl)trifluoroborate
Potassium tert-butoxymethyltrifluoroborate