Butenoic Acid

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000012
http://classyfire.wishartlab.com/tax_nodes/C0003909
http://classyfire.wishartlab.com/tax_nodes/C0000262
http://classyfire.wishartlab.com/tax_nodes/C0000333
http://classyfire.wishartlab.com/tax_nodes/C0000339
http://classyfire.wishartlab.com/tax_nodes/C0001137
http://classyfire.wishartlab.com/tax_nodes/C0001205
http://classyfire.wishartlab.com/tax_nodes/C0003940
http://classyfire.wishartlab.com/tax_nodes/C0004150
http://classyfire.wishartlab.com/tax_nodes/C0001831
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:41131
http://www.lipidmaps.org/data/LMSDRecord.php?LMID=LMFA01030195
http://www.hmdb.ca/metabolites/HMDB0010720
http://www.genome.jp/dbget-bin/www_bget?cpd:C01771
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=637090
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505990
https://www.chemspider.com/Chemical-Structure.552744.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50427207
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=41131
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1213528
https://zinc.docking.org/substances/ZINC000000901132
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/BEO