5-Azoniaspiro[4.4]nonane, tetrafluoroborate(1-) (1:1)
1,1′-Spirobipyrrolidinium tetrafluoroborate
1,1-Tetramethylenepyrrolidinium tetrafluoroborate
Spirobipyrrolidinium tetrafluoroborate
5-Azoniaspiro[4.4]nonane tetrafluoroborate
Spiro-(1,1′)-bipyrrolidium tetrafluoroborate