Isofra

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:7508
http://www.genome.jp/dbget-bin/www_bget?cpd:C01737
http://www.hmdb.ca/metabolites/HMDB0015129
http://www.genome.jp/dbget-bin/www_bget?drug:D05140
http://www.genome.jp/dbget-bin/www_bget?cpd:C01737
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=8378
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508892
https://www.chemspider.com/Chemical-Structure.8075.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=19
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=4556
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=7508
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL184618
https://zinc.docking.org/substances/ZINC000071928291
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001005
http://www.pharmgkb.org/drug/PA164743181
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/NMY
https://en.wikipedia.org/wiki/Neomycin