tɹˌaɪθɪləksˈoʊniəm tˈɛtɹɐflˌʊɹɹəbɚɹˌeɪt ɪz pɹɪpˈɛɹd fɹʌm bˈoːɹɑːn tɹˈaɪflʊɹɹˌaɪd, dˈaɪəθaɪl ˈiːθɚ ænd ˈɛpɪklˌoːɹoʊhˌaɪdɹɪn:
Triethyloxonium tetrafluoroborate is prepared from boron trifluoride, diethyl ether and epichlorohydrin: