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NCI Dictionary of Cancer Terms


tetra-O-methyl nordihydroguaiaretic acid  listen  (TEH-truh-O-MEH-thul NOR-dy-HY-droh-GWY-uh-reh-tik A-sid)

  A substance being studied in the treatment of cancer. It blocks proteins needed for cancer growth. It is a type of transcriptional inhibitor. Also called EM-1421 and tetra-O-methyl NDGA.