Chlorozotocin
Chlorozotocin is a nitrosourea. It is used for cancer therapy.
The International Agency for Research on Cancer concluded it was "probably carcinogenic" in 1990
IARC Monographs on the Evaluation of the Carcinogenic Risks to Humans, No. 50.
IARC Working Group on the Evaluation of Carcinogenic Risk to Humans.
Lyon : International Agency for Research on Cancer; 1990.
It is an analogue of streptozotocin.