Figure 2

Synthesis of 4β-S- and 4β-NH-aniline derivatives of podophyllum derivatives from podophyllotoxin and 4′-demethylepipodophyllotoxin.
Synthesis of 4β-S- and 4β-NH-aniline derivatives of podophyllum derivatives from podophyllotoxin and 4′-demethylepipodophyllotoxin.