Oxyethylidenediphosphonic Acid

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000264
http://classyfire.wishartlab.com/tax_nodes/C0000419
http://classyfire.wishartlab.com/tax_nodes/C0000327
http://classyfire.wishartlab.com/tax_nodes/C0000327
http://classyfire.wishartlab.com/tax_nodes/C0001302
http://classyfire.wishartlab.com/tax_nodes/C0004557
http://classyfire.wishartlab.com/tax_nodes/C0000400
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:4907
http://www.hmdb.ca/metabolites/HMDB0015210
http://www.genome.jp/dbget-bin/www_bget?drug:D02373
http://www.genome.jp/dbget-bin/www_bget?cpd:C07736
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3305
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507694
https://www.chemspider.com/Chemical-Structure.3189.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50115102
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1356715
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=4907
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL871
https://zinc.docking.org/substances/ZINC000003830813
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC000629
http://www.pharmgkb.org/drug/PA449548
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/911
http://www.rxlist.com/cgi/generic/didronel.htm
https://en.wikipedia.org/wiki/Etidronic_acid