Ilomedine,

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:63916
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5311181
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507818
https://www.chemspider.com/Chemical-Structure.4470703.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=23954
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=40138
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=63916
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL494
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000273
http://www.pharmgkb.org/drug/PA164746843
http://www.rxlist.com/cgi/generic4/ventavis.htm
https://www.drugs.com/cdi/iloprost.html
https://en.wikipedia.org/wiki/Iloprost