car·mus·tine 
(kärmŭs-tēn′)
(kärmŭs-tēn′)n.
An antineoplastic drug, C5H9Cl2N3O2, used to treat various malignancies, including Hodgkin and non-Hodgkin lymphomas, melanoma, multiple myeloma, and brain tumors.
[Probably car(bamoylation), transfer of a carbamoyl group to an amino acid (the drug's method of inhibiting certain enzymes) + mustine, an anticancer drug (MUST(ARD) + -INE2).]