Endone

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:7852
http://www.hmdb.ca/metabolites/HMDB0014640
http://www.genome.jp/dbget-bin/www_bget?drug:D05312
http://www.genome.jp/dbget-bin/www_bget?cpd:C08018
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5284603
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508908
https://www.chemspider.com/Chemical-Structure.4447649.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50370595
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7804
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=7852
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL656
https://zinc.docking.org/substances/ZINC000000403533
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000283
http://www.pharmgkb.org/drug/PA450741
http://www.rxlist.com/cgi/generic/oxyco.htm
https://www.drugs.com/oxycodone.html
https://en.wikipedia.org/wiki/Oxycodone