(5S,6S,7S,8S)-8-Hydroxy-7-hydroxymethyl-5-(3,4,5-trimethoxy-phenyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid methyl ester

podophyllotoxin

(+)-isopicropodophyllone

(5S,5aS,8aR,9S)-9-(tert-Butyl-dimethyl-silanyloxy)-5-(3,4,5-trimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one

(5S,6S,7R)-7-Hydroxymethyl-8-oxo-5-(3,4,5-trimethoxy-phenyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid methyl ester

[(5S,6R)-5-(tert-Butyl-dimethyl-silanyloxy)-5,6-dihydro-naphtho[2,3-d][1,3]dioxol-6-yl]-methanol

Thiocarbonic acid O-[(5S,6R)-5-(tert-butyl-dimethyl-silanyloxy)-5,6-dihydro-naphtho[2,3-d][1,3]dioxol-6-ylmethyl] ester O-(3,4,5-trimethoxy-phenyl) ester