Indole

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000002
http://classyfire.wishartlab.com/tax_nodes/C0000211
http://classyfire.wishartlab.com/tax_nodes/C0002497
http://classyfire.wishartlab.com/tax_nodes/C0002497
http://classyfire.wishartlab.com/tax_nodes/C0002448
http://classyfire.wishartlab.com/tax_nodes/C0000090
http://classyfire.wishartlab.com/tax_nodes/C0004144
http://classyfire.wishartlab.com/tax_nodes/C0004139
http://classyfire.wishartlab.com/tax_nodes/C0004557
http://classyfire.wishartlab.com/tax_nodes/C0000278
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:16881
http://metacyc.org/META/new-image?type=COMPOUND&object=INDOLE
http://www.hmdb.ca/metabolites/HMDB0000738
http://www.genome.jp/dbget-bin/www_bget?cpd:C00463
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=798
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508707
https://www.chemspider.com/Chemical-Structure.776.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50094702
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1311224
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=16881
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL15844
https://zinc.docking.org/substances/ZINC000014516984
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/IND
https://en.wikipedia.org/wiki/Indole