U Azom

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:161680
http://www.genome.jp/dbget-bin/www_bget?cpd:C06840
http://www.hmdb.ca/metabolites/HMDB0014499
http://www.genome.jp/dbget-bin/www_bget?drug:D00240
http://www.genome.jp/dbget-bin/www_bget?cpd:C06840
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=9568617
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505419
https://www.chemspider.com/Chemical-Structure.4674940.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50240480
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1272
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=161680
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL158
https://zinc.docking.org/substances/ZINC000003830264
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000117
http://www.pharmgkb.org/drug/PA448523
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/AZR
http://www.rxlist.com/cgi/generic4/azactaminj.htm
https://www.drugs.com/cdi/aztreonam.html
https://en.wikipedia.org/wiki/Aztreonam