Anexate,

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:5103
http://www.hmdb.ca/metabolites/HMDB0015336
http://www.genome.jp/dbget-bin/www_bget?drug:D00697
http://www.genome.jp/dbget-bin/www_bget?cpd:C07825
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3373
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507438
https://www.chemspider.com/Chemical-Structure.3256.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=26263
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=4457
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=5103
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL407
https://zinc.docking.org/substances/ZINC000000001464
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000685
http://www.pharmgkb.org/drug/PA449659
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/FYP
http://www.rxlist.com/cgi/generic3/flumazenil.htm
https://www.drugs.com/cdi/flumazenil.html
https://en.wikipedia.org/wiki/Flumazenil