Mercaprine

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000002
http://classyfire.wishartlab.com/tax_nodes/C0001797
http://classyfire.wishartlab.com/tax_nodes/C0000245
http://classyfire.wishartlab.com/tax_nodes/C0001998
http://classyfire.wishartlab.com/tax_nodes/C0001921
http://classyfire.wishartlab.com/tax_nodes/C0000078
http://classyfire.wishartlab.com/tax_nodes/C0004144
http://classyfire.wishartlab.com/tax_nodes/C0004139
http://classyfire.wishartlab.com/tax_nodes/C0000004
http://classyfire.wishartlab.com/tax_nodes/C0004557
http://classyfire.wishartlab.com/tax_nodes/C0000278
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:2208
http://www.hmdb.ca/metabolites/HMDB0015167
http://www.genome.jp/dbget-bin/www_bget?drug:D04931
http://www.genome.jp/dbget-bin/www_bget?cpd:C02380
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=667490
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506988
https://www.chemspider.com/Chemical-Structure.580869.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50423778
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=103
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=94796
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1425
https://zinc.docking.org/substances/ZINC000004658290
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000147
http://www.pharmgkb.org/drug/PA450379
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/PM6
http://www.rxlist.com/cgi/generic2/mercaptopurine.htm
https://www.drugs.com/cdi/mercaptopurine.html
https://en.wikipedia.org/wiki/Mercaptopurine