Tigreat

http://www.hmdb.ca/metabolites/HMDB0015133
http://www.genome.jp/dbget-bin/www_bget?drug:D07997
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=77992
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506288
https://www.chemspider.com/Chemical-Structure.70378.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50073689
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=228783
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=134991
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1279
https://zinc.docking.org/substances/ZINC000000018635
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000063
http://www.pharmgkb.org/drug/PA164754891
http://www.rxlist.com/cgi/generic3/frova.htm
https://www.drugs.com/cdi/frovatriptan.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/fro1622.shtml
https://en.wikipedia.org/wiki/Frovatriptan