Phenolphthalein

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000002
http://classyfire.wishartlab.com/tax_nodes/C0000301
http://classyfire.wishartlab.com/tax_nodes/C0001578
http://classyfire.wishartlab.com/tax_nodes/C0001578
http://classyfire.wishartlab.com/tax_nodes/C0001873
http://classyfire.wishartlab.com/tax_nodes/C0004646
http://classyfire.wishartlab.com/tax_nodes/C0002279
http://classyfire.wishartlab.com/tax_nodes/C0000050
http://classyfire.wishartlab.com/tax_nodes/C0001238
http://classyfire.wishartlab.com/tax_nodes/C0004140
http://classyfire.wishartlab.com/tax_nodes/C0001137
http://classyfire.wishartlab.com/tax_nodes/C0000323
http://classyfire.wishartlab.com/tax_nodes/C0003940
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:34914
http://www.genome.jp/dbget-bin/www_bget?drug:D05456
http://www.genome.jp/dbget-bin/www_bget?cpd:C14286
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4764
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506108
https://www.chemspider.com/Chemical-Structure.4600.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50077844
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=155122
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=34914
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL63857
https://zinc.docking.org/substances/ZINC000003831317
http://www.pharmgkb.org/drug/PA450915
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/FGT
https://en.wikipedia.org/wiki/Phenolphthalein