Radioiodine

http://classyfire.wishartlab.com/tax_nodes/C0000001
http://classyfire.wishartlab.com/tax_nodes/C0000423
http://classyfire.wishartlab.com/tax_nodes/C0000432
http://classyfire.wishartlab.com/tax_nodes/C0000432
http://www.genome.jp/dbget-bin/www_bget?drug:D02259
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=167195
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=310265185
https://www.chemspider.com/Chemical-Structure.146281.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1546394
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1201084
http://www.rxlist.com/sodium-iodide-i-131-drug/indications-dosage.htm
https://www.drugs.com/pro/sodium-iodide-i-131.html
https://en.wikipedia.org/wiki/Iodine-131