Vasocyclin

http://www.hmdb.ca/metabolites/HMDB0001335
http://www.genome.jp/dbget-bin/www_bget?drug:D00106
http://www.genome.jp/dbget-bin/www_bget?cpd:C01312
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5280427
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507362
https://www.chemspider.com/Chemical-Structure.4445566.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8814
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=15552
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1139
https://zinc.docking.org/substances/ZINC000003813078
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001213
http://www.pharmgkb.org/drug/PA449479
http://www.rxlist.com/cgi/generic/flolan.htm
https://www.drugs.com/cdi/epoprostenol.html
https://en.wikipedia.org/wiki/Prostacyclin