Tolcapon

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:63630
http://metacyc.org/META/new-image?type=COMPOUND&object=CPD-7664
http://www.hmdb.ca/metabolites/HMDB0014468
http://www.genome.jp/dbget-bin/www_bget?drug:D00786
http://www.genome.jp/dbget-bin/www_bget?cpd:C07949
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4659569
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46504932
https://www.chemspider.com/Chemical-Structure.3848682.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50108877
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=72937
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=63630
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1324
https://zinc.docking.org/substances/ZINC000035342789
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000607
http://www.pharmgkb.org/drug/PA451720
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/TCW
http://www.rxlist.com/cgi/generic3/tolcapone.htm
https://www.drugs.com/cdi/tolcapone.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/tas1426.shtml
https://en.wikipedia.org/wiki/Tolcapone