Qucare

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:50199
http://www.hmdb.ca/metabolites/HMDB0014630
http://www.genome.jp/dbget-bin/www_bget?drug:D02306
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=51081
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507338
https://www.chemspider.com/Chemical-Structure.46291.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=57936
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7960
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=50199
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL267648
https://zinc.docking.org/substances/ZINC000000001894
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001001
http://www.pharmgkb.org/drug/PA164742856
https://en.wikipedia.org/wiki/Pefloxacin