Wiktionary
imexon
n. 4-imino-1,3-diazabicyclo[3.1.0]hexan-2-one, a cyanoaziridine derivative being studied for the treatment of some types of cancer.
Wikipedia
Imexon
Imexon ( INN, trade name Amplimexon) is a substance that is being studied in the treatment of some types of cancer, including pancreatic, lung, breast, prostate, melanoma, and multiple myeloma. It is a cyanoaziridine derivative.