(2S,3S)-3-(O-benzyl)-4-[O-(p-methoxy)benzyl]-1,2,3,4-butanetetraol

(2S,3S)-3-(benzyloxy)-4-((4-methoxybenzyl)oxy)butane-1,2-diyl dibenzoate

(2S,3S)-3-(O-benzyl)-4-[O-(p-methoxy)benzyl]-1,2,3,4-butanetetraol-1,2-di-O-acetonide

((3S,5R)-6-azido-3,5-dimethylhex-1-en-2-yloxy)trimethylsilane

(S)-4-((4-methoxybenzyl)oxy)-3-oxobutane-1,2-diyl dibenzoate