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NATURALLY occurring sterol glycosides (sterolins) were first characterized in 1913 by Power and Salway1, since which time these compounds have been isolated from a variety of plant materials2,3.
To define the in vitro cytotoxic activities of 4-demethyl-picropodophyllotoxin 7′-O-β-D-glucopyranoside (4DPG), a new podophyllotoxin glucoside. Antiproliferation activity was measured in ...