<unk> (injection) is an antineoplastic-agent that is FDA approved for the treatment of carcinoma of the colon, rectum, breast, stomach and pancreas.. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include stomatitis and esophagopharyngitis (which may lead to sloughing and ulceration), diarrhea, anorexia, Leukopenia, nausea and emesis.
Fluorouracil 
Ifosfamide
Semustine
Mafosfamide
Etoposide 
Floxuridine
Vincristine sulfate
Idoxuridine