Tenex

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0002448
http://classyfire.wishartlab.com/tax_nodes/C0002279
http://classyfire.wishartlab.com/tax_nodes/C0000035
http://classyfire.wishartlab.com/tax_nodes/C0002564
http://classyfire.wishartlab.com/tax_nodes/C0001030
http://classyfire.wishartlab.com/tax_nodes/C0003633
http://classyfire.wishartlab.com/tax_nodes/C0003152
http://classyfire.wishartlab.com/tax_nodes/C0004557
http://classyfire.wishartlab.com/tax_nodes/C0000323
http://classyfire.wishartlab.com/tax_nodes/C0001516
http://classyfire.wishartlab.com/tax_nodes/C0000117
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:5558
http://www.hmdb.ca/metabolites/HMDB0015153
http://www.genome.jp/dbget-bin/www_bget?drug:D08031
http://www.genome.jp/dbget-bin/www_bget?cpd:C07037
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3519
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506169
https://www.chemspider.com/Chemical-Structure.3399.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=81984
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=40114
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=5558
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL862
https://zinc.docking.org/substances/ZINC000003872738
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000900
http://www.pharmgkb.org/drug/PA449825
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=522
http://www.rxlist.com/cgi/generic3/guanfacine.htm
https://www.drugs.com/cdi/guanfacine.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/gua1657.shtml
https://en.wikipedia.org/wiki/Guanfacine