Sigmasporin

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:4031
http://www.genome.jp/dbget-bin/www_bget?drug:D00184
http://www.genome.jp/dbget-bin/www_bget?cpd:C05086
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5284373
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508198
https://www.chemspider.com/Chemical-Structure.4447449.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50022815
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=3008
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=4031
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL160
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001177
http://www.pharmgkb.org/drug/PA449167
http://www.rxlist.com/cgi/generic/cyclosporine.htm
https://www.drugs.com/cdi/cyclosporine-drops.html
https://en.wikipedia.org/wiki/Ciclosporin