 The resulting dibenzyl-substituted intermediate is then reacted with nitronium tetrafluoroborate and nitrosonium tetrafluoroborate in sulfolane to produce HNIW.The hydrochloride salt of benzylamine, C6H5CH2NH3Cl or C6H5CH2NH2·HCl, is prepared by reacting benzylamine with hydrochloric acid, and can be used in treating motion sickness.NASA astronaut John Glenn was issued with benzylamine hydrochloride for this purpose for the Mercury-Atlas 6 mission.