Tioguanine
Tioguanine, also known as thioguanine or 6thioguanine (6TG) is a mediion used to treat acute myeloid leukemia (AML), acute lymphocytic leukemia (ALL), and chronic myeloid leukemia (CML). Longterm use is not recommended. It is given by mouth. Tioguanine was developed between 1949 and 1951. It is on the World Health Organization's List of Essential Medicines, .