Topazone

http://www.hmdb.ca/metabolites/HMDB0014752
http://www.genome.jp/dbget-bin/www_bget?drug:D00830
http://www.genome.jp/dbget-bin/www_bget?cpd:C07999
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3435
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507291
https://www.chemspider.com/Chemical-Structure.4481255.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=4601
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=5195
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1103
https://zinc.docking.org/substances/ZINC000000113418
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000993
http://www.pharmgkb.org/drug/PA164746760
http://www.rxlist.com/cgi/generic2/furazol.htm
https://www.drugs.com/cons/furazolidone.html
https://en.wikipedia.org/wiki/Furazolidone