Fluoride ion

http://classyfire.wishartlab.com/tax_nodes/C0000001
http://classyfire.wishartlab.com/tax_nodes/C0000423
http://classyfire.wishartlab.com/tax_nodes/C0000432
http://classyfire.wishartlab.com/tax_nodes/C0000432
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:17051
http://metacyc.org/META/new-image?type=COMPOUND&object=F-
http://www.hmdb.ca/metabolites/HMDB0000662
http://www.genome.jp/dbget-bin/www_bget?cpd:C00742
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=28179
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=347827955
https://www.chemspider.com/Chemical-Structure.26214.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=26978
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=196213
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=17051
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1362
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/F
https://en.wikipedia.org/wiki/Fluoride