Fenitab

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:50924
http://www.hmdb.ca/metabolites/HMDB0014542
http://www.genome.jp/dbget-bin/www_bget?drug:D08524
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=216239
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505329
https://www.chemspider.com/Chemical-Structure.187440.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16673
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=495881
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=50924
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1336
https://zinc.docking.org/substances/ZINC000001493878
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000006
http://www.pharmgkb.org/drug/PA7000
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/BAX
http://www.rxlist.com/nexavar-drug.htm
https://www.drugs.com/cdi/sorafenib.html
https://en.wikipedia.org/wiki/Sorafenib