4'-demethylpodophyllotoxin

9-Hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-one

9-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5ah)-one

(5R)-5β-(4-Hydroxy-3,5-dimethoxyphenyl)-9β-hydroxy-5,5aα,6,8,8aβ,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d]-1,3-dioxole-6-one

(5R)-5,8,8aβ,9-Tetrahydro-9β-hydroxy-5β-(3,5-dimethoxy-4-hydroxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aαH)-one

(5R)-9β-Hydroxy-5,8,8aβ,9-tetrahydro-5β-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxole-6(5aαH)-one