Dictionary
mer•cap•to•pu•rine
Pronunciation: (mur-kap"tō-pyoor'ēn), [key]—
n. Pharm.
a yellow, crystalline, water-insoluble powder, C
5H
4N
4S, used in the treatment of leukemia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.