Hygroton

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:3654
http://www.hmdb.ca/metabolites/HMDB0014455
http://www.genome.jp/dbget-bin/www_bget?drug:D00272
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=2732
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505541
https://www.chemspider.com/Chemical-Structure.2631.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=25900
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=2409
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=3654
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1055
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000521
http://www.pharmgkb.org/drug/PA448970
http://www.rxlist.com/cgi/generic3/chlorthalidone.htm
https://www.drugs.com/cdi/chlorthalidone.html
https://en.wikipedia.org/wiki/Chlortalidone