Chlorbutin

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:28830
http://www.hmdb.ca/metabolites/HMDB0014436
http://www.genome.jp/dbget-bin/www_bget?drug:D00266
http://www.genome.jp/dbget-bin/www_bget?cpd:C06900
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=2708
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506842
https://www.chemspider.com/Chemical-Structure.2607.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50003677
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=2346
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=28830
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL515
https://zinc.docking.org/substances/ZINC000000001115
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001110
http://www.pharmgkb.org/drug/PA448926
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/CBL
http://www.rxlist.com/cgi/generic2/leukeran.htm
https://www.drugs.com/cdi/chlorambucil.html
https://en.wikipedia.org/wiki/Chlorambucil