Velban

http://www.hmdb.ca/metabolites/HMDB0014681
http://www.genome.jp/dbget-bin/www_bget?drug:D08679
http://www.genome.jp/dbget-bin/www_bget?cpd:C07204
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5978
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507033
https://www.chemspider.com/Chemical-Structure.4535015.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=38872
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=11202
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=28445
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL499458
https://zinc.docking.org/substances/ZINC000085537024
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000114
http://www.pharmgkb.org/drug/PA451879
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/R1Q
http://www.rxlist.com/cgi/generic3/vincristine.htm
https://www.drugs.com/cdi/vincristine.html
https://en.wikipedia.org/wiki/Vincristine