Nebra

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:28864
http://www.hmdb.ca/metabolites/HMDB0014822
http://www.genome.jp/dbget-bin/www_bget?drug:D00063
http://www.genome.jp/dbget-bin/www_bget?cpd:C00397
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=36294
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507662
https://www.chemspider.com/Chemical-Structure.33377.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50366778
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=10627
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=28864
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1747
https://zinc.docking.org/substances/ZINC000008214692
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000110
http://www.pharmgkb.org/drug/PA451704
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/TOY
http://www.rxlist.com/cgi/generic/tobi.htm
https://www.drugs.com/cdi/tobramycin-drops.html
https://en.wikipedia.org/wiki/Tobramycin