(3R)-4-benzyloxy-3-(4-methoxy-benzyloxy)-butyraldehyde

ethyl (R,E)-6-(benzyloxy)-5-((4-methoxybenzyl)oxy)hex-2-enoate

(3-{3-(benzyloxy)-2-[(4-methoxybenzyl)oxy]propyl}oxiran-2-yl)methanol