2-Bromo-1-ethylpyridinium tetrafluoroborate878-23-9100 % similar 2-Ethyl-1,2-benzisoxazolium tetrafluoroborate4611-62-540 % similar 1-Ethylquinolinium iodide634-35-538 % similar Benzyltriethylammonium tetrafluoroborate77794-93-534 % similar 2-Bromopyridine N-oxide hydrochloride80866-91-733 % similar N-Fluoropyridinium tetrafluoroborate107264-09-531 % similar Diquat2764-72-931 % similar Tritylium tetrafluoroborate341-02-631 % similar