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[mer-kap-toh-pyoo r-een] /mərˌkæp toʊˈpyʊər in/

noun, Pharmacology.
a yellow, crystalline, water-insoluble powder, C 5 H 4 N 4 S, used in the treatment of leukemia.
a drug used in the treatment of leukaemia. Formula: C5H4N4S

mercaptopurine mer·cap·to·pu·rine (mər-kāp’tō-pyur’ēn)
A purine analogue that acts as an antimetabolite by interfering with purine synthesis, used primarily in the treatment of acute leukemia.


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