fˈaɪnəli, kˈɑːmpaʊnd fˈoːɹ ɪz ɹɪˈæktᵻd wɪð nˌaɪtɹˈoʊniəm tˈɛtɹɐflˌʊɹɹəbɚɹˌeɪt ænd nˌaɪtɹoʊsˈoʊniəm tˈɛtɹɐflˌʊɹɹəbɚɹˌeɪt, ɹɪzˈʌltɪŋ ɪn ˈeɪtʃnˈɪw.
Finally, compound 4 is reacted with nitronium tetrafluoroborate and nitrosonium tetrafluoroborate, resulting in HNIW.