Nysul

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:34888
http://www.hmdb.ca/metabolites/HMDB0015573
http://www.genome.jp/dbget-bin/www_bget?drug:D08275
http://www.genome.jp/dbget-bin/www_bget?cpd:C13698
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4488
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46504657
https://www.chemspider.com/Chemical-Structure.4333.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=85507
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7418
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=34888
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL63323
https://zinc.docking.org/substances/ZINC000000125031
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000972
http://www.pharmgkb.org/drug/PA164746749
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2439
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/NFL
https://en.wikipedia.org/wiki/Niflumic_acid