tert-butyl (3R,4R,5S)-3-((tert-butyldiphenylsilyl)oxy)-4-hydroxy-5-vinylpiperidine-1-carboxylate

1,1-Dibromo-5-[(tert-butyldimethylsilyl)oxy]-1,2-dideoxy-3,4-O-(1-methylethylidene)-D-threo-pent-1-ene

烟酸甲酯

3-甲基-1,3(2H)-吡啶二羧酸-1-苯酯

3-methyl 1-phenyl 5-hydroxy-5,6-dihydropyridine-1,3(2H)-dicarboxylate