(3aR,8aS,9S,9aR)-2,2-dimethyloctahydro-[1,3]dioxolo[4,5-f]indolizin-9-yl benzoate

(3aR,8aS,9S,9aS)-2,2-Dimethyl-octahydro-[1,3]dioxolo[4,5-f]indolizin-9-ol

(R)-4-((3aS,4R,6aR)-5-Benzyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-4-yl)-4-benzyloxy-butan-1-ol

(2S,3S,4R)-N-benzyl-2-formyl-3,4-(isopropylidenedioxy)pyrrolidine

甲烷磺酰氯