Kyprolis for

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:65347
http://www.genome.jp/dbget-bin/www_bget?drug:D08880
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=11556711
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=175427135
https://www.chemspider.com/Chemical-Structure.9731489.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50277889
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1302966
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=65347
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL451887
https://zinc.docking.org/substances/ZINC000049841054
http://www.pharmgkb.org/drug/PA166165203
http://www.rxlist.com/kyprolis-drug.htm
https://www.drugs.com/kyprolis.html
https://en.wikipedia.org/wiki/Carfilzomib