Immubron

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:75984
http://www.hmdb.ca/metabolites/HMDB0015326
http://www.genome.jp/dbget-bin/www_bget?drug:D07962
http://www.genome.jp/dbget-bin/www_bget?cpd:C07001
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3356
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508078
https://www.chemspider.com/Chemical-Structure.3239.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50131434
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=4441
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=75984
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL652
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000518
http://www.pharmgkb.org/drug/PA449646
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2560
http://www.rxlist.com/cgi/generic2/flecainide.htm
https://www.drugs.com/cdi/flecainide.html
https://en.wikipedia.org/wiki/Flecainide