Wiktionary
epipodophyllotoxin
n. (context organic chemistry English) Any of a group of complex lignans extracted from the root of the (vern American mayapple pedia=1) plant (''Podophyllum peltatum'')
Wikipedia
Epipodophyllotoxin
Epipodophyllotoxins are substances naturally occurring in the root of American Mayapple plant ( Podophyllum peltatum).
Some epipodophyllotoxin derivatives are currently used in the treatment of cancer. These include etoposide and teniposide. They act as anti-cancer drugs by inhibiting topoisomerase II.