1-苄基2-甲基1,2-吡咯烷二羧酸酯

methyl 2,3-dideoxy-5,6-O-isopropylidene-4-O-p-tolylsulfonyl-D-erythro-hexonate

(R)-4-azido-4-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)butanal

(R)-methyl 4-azido-4-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)butanoate

2-甲基吡咯烷-1,2-二羧酸-1-苄酯