9-[(4,6-O-Ethylidene-beta-D-glucopyranosyl]oxy)-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one
4'-Demethylepipodophyllotoxin 9-[4,6-O-ethylidene-beta-D-glucopyranoside]