2ClAdo

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:567361
http://www.hmdb.ca/metabolites/HMDB0014387
http://www.genome.jp/dbget-bin/www_bget?drug:D01370
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=20279
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46504588
https://www.chemspider.com/Chemical-Structure.19105.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=38920
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=44157
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=567361
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1619
https://zinc.docking.org/substances/ZINC000003798064
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000565
http://www.pharmgkb.org/drug/PA449027
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/CL9
http://www.rxlist.com/cgi/generic3/cladribine.htm
https://www.drugs.com/cdi/cladribine.html
https://en.wikipedia.org/wiki/Cladribine