(R)-ethyl 2-(benzyloxy)-2-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)acetate

溴化苄

(1S,4'R)-1-benzyloxy-1-(2,2-dimethyl-1,3-dioxolane-4-yl)-3-methylbut-2-ene

(2S,3R,4R)-2,3-dibenzyloxy-4,5-isopropylidenedioxypentanal

(R)-(+)-2,2-二甲基-1,3-二氧戊环-4-甲醛