Nitrosonium hexafluorophosphate16921-91-8100 % similar Ammonium hexafluorophosphate16941-11-043 % similar Nitrosonium tetrafluoroborate14635-75-741 % similar Potassium hexafluorophosphate17084-13-840 % similar Sodium hexafluorophosphate21324-39-040 % similar Lithium hexafluorophosphate21324-40-340 % similar Silver hexafluorophosphate26042-63-740 % similar Tetramethylammonium hexafluorophosphate558-32-735 % similar Nitryl hexafluorophosphate19200-21-635 % similar Diphenyliodonium hexafluorophosphate58109-40-330 % similar