109532-46-9 1283-58-5 176046-02-9 27081-10-3 38347-42-1 40894-88-0 41322-34-3 53663-13-1 61063-76-1 88314-57-2 Cycloheptatrienyl tetrafluoroborate Cycloheptatrienylium, tetrafluoroborate(1-) EINECS 248-214-5 NSC 113956 Tropylium fluoroborate Tropylium tetrafluoroborate Tropylium tetrafluoroborate(1-)