Clarograf

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:63578
http://www.hmdb.ca/metabolites/HMDB0041910
http://www.genome.jp/dbget-bin/www_bget?drug:D01893
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3736
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=310265069
https://www.chemspider.com/Chemical-Structure.3605.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=27781
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=63578
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1725
http://www.rxlist.com/ultravist-drug.htm
https://www.drugs.com/cons/iopromide-injection.html
https://en.wikipedia.org/wiki/Iopromide