5,5a,6,8,8a,9-Hexahydro-9-(3,4,5-trimethoxyphenyl)furo(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-ol 6320-12-3 Anhydropodophyllol Furo(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-ol, 5,5a,6,8,8a,9-hexahydro-9-(3,4,5-trimethoxyphenyl)- NSC 31776