Metrosa

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:6909
http://www.hmdb.ca/metabolites/HMDB0015052
http://www.genome.jp/dbget-bin/www_bget?drug:D00409
http://www.genome.jp/dbget-bin/www_bget?cpd:C07203
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4173
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508911
https://www.chemspider.com/Chemical-Structure.4029.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50375309
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=6922
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=6909
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL137
https://zinc.docking.org/substances/ZINC000000113442
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000534
http://www.pharmgkb.org/drug/PA450484
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/2MN
http://www.rxlist.com/cgi/generic/metron.htm
https://www.drugs.com/metronidazole.html
https://en.wikipedia.org/wiki/Metronidazole