Astonin

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:50885
http://www.genome.jp/dbget-bin/www_bget?cpd:C07004
http://www.lipidmaps.org/data/LMSDRecord.php?LMID=LMST02030103
http://www.hmdb.ca/metabolites/HMDB0014825
http://www.genome.jp/dbget-bin/www_bget?drug:D07967
http://www.genome.jp/dbget-bin/www_bget?cpd:C07004
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=31378
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508616
https://www.chemspider.com/Chemical-Structure.29111.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=4452
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=50885
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1201388
https://zinc.docking.org/substances/ZINC000004097304
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001105
http://www.pharmgkb.org/drug/PA164743961
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2873
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/ZK5
http://www.rxlist.com/cgi/generic/fludro.htm
https://www.drugs.com/cdi/fludrocortisone.html
https://en.wikipedia.org/wiki/Fludrocortisone