(13R,14R)-4-hydroxy-13,14-dihydroxy-2,11-dioxatricyclo[13.2.2.13,7]eicosa-1(18),3,5,7(20),1(19),16-hexaen-10-one

combretastatin D-2 benzyl ether

combretastatin D-1 benzyl ether

(13R,14R)-4-benzyloxy-13,14-dihydroxy-2,11-dioxatricyclo[13.2.2.13,7]eicosa-1(18),3,5,7(20),1(19),16-hexaen-10-one

2,2-Dimethyl-propionic acid (2R,3R)-3-{4-[2-benzyloxy-5-(2-carboxy-ethyl)-phenoxy]-phenyl}-2,3-bis-(tert-butyl-dimethyl-silanyloxy)-propyl ester