甲基碘

Methyl 2-(benzhydrylideneamino)-4-pentenoate

三甲基硅烷化重氮甲烷

(S)-methyl 4-bromo-2-((tert-butoxycarbonyl)amino)pent-4-enoate

(4S,5R)-4-allyl-3-tert-butoxycarbonyl-5-methoxy-2-oxazolidinone