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NCI Dictionary of Cancer Terms


3-aminopyridine-2-carboxaldehyde thiosemicarbazone  listen  (3-uh-MEE-noh-PEER-ih-deen-2-KAR-bok-SAL-deh-hide THY-oh-SEH-mee KAR-buh-ZONE)

  A substance being studied in the treatment of cancer. It is a type of ribonucleotide reductase inhibitor. Also called 3-AP and Triapine.