4-O-(D-apio-β-D-furanosyl-(1->6)-β-D-glucopyranosyl)diphyllin

cleistanthin E

diethyl 1-(3,4-methylenedioxyphenyl)-4-hydroxy-6,7-dimethoxynaphthalene-2,3-dicarboxylate

4-acetoxy-6,7-dimethoxy-9-(1,3- benzodioxol-5-yl)naphtho[2,3-c]furan-1(3H)-one