Pyrazin

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000002
http://classyfire.wishartlab.com/tax_nodes/C0001346
http://classyfire.wishartlab.com/tax_nodes/C0000067
http://classyfire.wishartlab.com/tax_nodes/C0000067
http://classyfire.wishartlab.com/tax_nodes/C0004144
http://classyfire.wishartlab.com/tax_nodes/C0002484
http://classyfire.wishartlab.com/tax_nodes/C0004139
http://classyfire.wishartlab.com/tax_nodes/C0004557
http://classyfire.wishartlab.com/tax_nodes/C0000323
http://classyfire.wishartlab.com/tax_nodes/C0000278
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:45285
http://metacyc.org/META/new-image?type=COMPOUND&object=PYRAZINAMIDE
http://www.hmdb.ca/metabolites/HMDB0014483
http://www.genome.jp/dbget-bin/www_bget?drug:D00144
http://www.genome.jp/dbget-bin/www_bget?cpd:C01956
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=1046
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507478
https://www.chemspider.com/Chemical-Structure.1017.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=228814
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8987
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=45285
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL614
https://zinc.docking.org/substances/ZINC000000002005
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000660
http://www.pharmgkb.org/drug/PA451182
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/PZA
http://www.rxlist.com/pyrazinamide-drug.htm
https://www.drugs.com/cdi/pyrazinamide.html
https://en.wikipedia.org/wiki/Pyrazinamide