Kovilen

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:7492
http://www.hmdb.ca/metabolites/HMDB0014854
http://www.genome.jp/dbget-bin/www_bget?drug:D05129
http://www.genome.jp/dbget-bin/www_bget?cpd:C07255
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=50294
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507587
https://www.chemspider.com/Chemical-Structure.45608.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50239990
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=31563
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=7492
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL746
https://zinc.docking.org/substances/ZINC000003782807
http://www.pharmgkb.org/drug/PA450601
http://www.rxlist.com/cgi/generic3/nedocr.htm
https://www.drugs.com/cdi/nedocromil-drops.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/til1444.shtml
https://en.wikipedia.org/wiki/Nedocromil