Romidon

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:51173
http://www.genome.jp/dbget-bin/www_bget?drug:D07809
http://www.genome.jp/dbget-bin/www_bget?cpd:C07406
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=10100
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506690
https://www.chemspider.com/Chemical-Structure.9696.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=82269
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8785
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=51173
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1213351
https://zinc.docking.org/substances/ZINC000001530769
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000017
http://www.pharmgkb.org/drug/PA451142
http://www.rxlist.com/cgi/generic/propox.htm
https://www.drugs.com/propoxyphene.html
https://en.wikipedia.org/wiki/Dextropropoxyphene