Threonine

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:16857
http://www.genome.jp/dbget-bin/www_bget?cpd:C00188
http://www.hmdb.ca/metabolites/HMDB0000167
http://www.genome.jp/dbget-bin/www_bget?drug:D00041
http://www.genome.jp/dbget-bin/www_bget?cpd:C00188
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=6288
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506798
https://www.chemspider.com/Chemical-Structure.6051.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=10524
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=16857
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL291747
https://zinc.docking.org/substances/ZINC000000895103
http://www.pharmgkb.org/drug/PA451673
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/THR
https://en.wikipedia.org/wiki/Threonine