Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/Al.6FH.3K/h%3B6*1H%3B%3B%3B/q%2B3%3B%3B%3B%3B%3B%3B%3B3*%2B1/p-6 tripotassium hexafluoroaluminate