Pentostatin

http://www.hmdb.ca/metabolites/HMDB0014692
http://www.genome.jp/dbget-bin/www_bget?drug:D00155
http://www.genome.jp/dbget-bin/www_bget?cpd:C02267
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=439693
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507116
https://www.chemspider.com/Chemical-Structure.388759.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=22925
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8011
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1580
https://zinc.docking.org/substances/ZINC000003806262
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000566
http://www.pharmgkb.org/drug/PA450863
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/DCF
https://www.drugs.com/cdi/pentostatin.html
https://en.wikipedia.org/wiki/Pentostatin