Cefoperazonum

http://www.hmdb.ca/metabolites/HMDB0015424
http://www.genome.jp/dbget-bin/www_bget?cpd:C06883
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=44185
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46504543
https://www.chemspider.com/Chemical-Structure.40206.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50390999
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=2184
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=3493
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL507674
https://zinc.docking.org/substances/ZINC000003830432
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000450
http://www.pharmgkb.org/drug/PA448849
https://en.wikipedia.org/wiki/Cefoperazone