6-Tosyl-1,6-diazaspiro[3.3]heptane
3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-3′,6′-diyl bis(trifluoromethanesulfonate)
1-Cbz-1,7-diaza-spiro[4.5...
2-BroMoMethyl-5,8-dioxaspiro[3.4]octane
Spiro[1,3-dithiolane-2,9'-[9H]fluorene], 2'-bromo-
5,8-Dioxa-10-azadispiro[2.0.4.3]undecane
5-Azoniaspiro[4.4]nonane Hexafluorophosphate