22:6(n-3)

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000012
http://classyfire.wishartlab.com/tax_nodes/C0003909
http://classyfire.wishartlab.com/tax_nodes/C0000262
http://classyfire.wishartlab.com/tax_nodes/C0002950
http://classyfire.wishartlab.com/tax_nodes/C0000339
http://classyfire.wishartlab.com/tax_nodes/C0000333
http://classyfire.wishartlab.com/tax_nodes/C0001137
http://classyfire.wishartlab.com/tax_nodes/C0001205
http://classyfire.wishartlab.com/tax_nodes/C0003940
http://classyfire.wishartlab.com/tax_nodes/C0004150
http://classyfire.wishartlab.com/tax_nodes/C0001831
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:28125
http://www.genome.jp/dbget-bin/www_bget?cpd:C06429
http://www.lipidmaps.org/data/LMSDRecord.php?LMID=LMFA01030185
http://www.hmdb.ca/metabolites/HMDB0002183
http://www.genome.jp/dbget-bin/www_bget?cpd:C06429
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=445580
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506213
https://www.chemspider.com/Chemical-Structure.393183.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50210259
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1006469
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=28125
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL367149
https://zinc.docking.org/substances/ZINC000004474564
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/HXA
https://en.wikipedia.org/wiki/Docosahexaenoic_acid