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https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:8249
http://www.hmdb.ca/metabolites/HMDB0014694
http://www.genome.jp/dbget-bin/www_bget?drug:D00127
http://www.genome.jp/dbget-bin/www_bget?cpd:C01608
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=54676228
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505225
https://www.chemspider.com/Chemical-Structure.10442653.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=85245
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8356
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=8249
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL527
https://zinc.docking.org/substances/ZINC000051133897
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000181
http://www.pharmgkb.org/drug/PA450985
http://www.rxlist.com/cgi/generic/piroxicam.htm
https://www.drugs.com/cdi/piroxicam.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/fel1173.shtml
https://en.wikipedia.org/wiki/Piroxicam