Optima

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:5959
http://www.hmdb.ca/metabolites/HMDB0015163
http://www.genome.jp/dbget-bin/www_bget?drug:D00523
http://www.genome.jp/dbget-bin/www_bget?cpd:C07469
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3749
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506575
https://www.chemspider.com/Chemical-Structure.3618.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50042235
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=83818
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=5959
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1513
https://zinc.docking.org/substances/ZINC000003872931
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000364
http://www.pharmgkb.org/drug/PA450084
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=589
http://www.rxlist.com/cgi/generic/irbesart.htm
https://www.drugs.com/cdi/irbesartan.html
https://en.wikipedia.org/wiki/Irbesartan