Periplocymarin

3β-[(3-O-Methyl-2,6-dideoxy-β-D-ribo-hexopyranosyl)oxy]-5,14-dihydroxy-5β-card-20(22)-enolide

3β-[(2,6-Dideoxy-3-O-methyl-β-D-ribo-hexopyranosyl)oxy]-5,14-dihydroxy-5β-card-20(22)-enolide

3β-(3-O-Methyl-2,6-dideoxy-β-D-ribo-hexopyranosyloxy)-5,14-dihydroxy-5β-cardanolide-20(22)-ene