111712-28-8 4'-O-Demethyl-4beta-benzoylpodophyllotoxin Furo(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-6(5aH)-one, 9-(benzoyloxy)-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-, (5R,5aR,8aR,9S)-