Sulphamethoxazole

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:9332
http://www.hmdb.ca/metabolites/HMDB0015150
http://www.genome.jp/dbget-bin/www_bget?drug:D00447
http://www.genome.jp/dbget-bin/www_bget?cpd:C07315
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5329
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508111
https://www.chemspider.com/Chemical-Structure.5138.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50029770
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=10180
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=9332
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL443
https://zinc.docking.org/substances/ZINC000000089763
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001393
http://www.pharmgkb.org/drug/PA451544
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/08D
http://www.rxlist.com/cgi/generic3/gantanol.htm
https://en.wikipedia.org/wiki/Sulfamethoxazole