p. 871 - 877
(2007/10/02)6,7-O,O-demethylene-4β-bromo-4'-O-demethyl-4-desoxypodophyllotoxin
6,7-O,O-demethylene-4β-anilino-4'-O-demethyl-4-desoxypodophyllotoxin
6,7-O,O-demethylene-4β-(3-hydroxyanilino)-4'-O-demethyl-4-desoxypodophyllotoxin
6,7-O,O-demethylene-4β-(4-fluoroanilino)-4'-O-demethyl-4-desoxypodophyllotoxin
6,7-O,O-demethylene-4β-(4-cyanoanilino)-4'-O-demethyl-4-desoxypodophyllotoxin