(3S,4R)-1-(tert-Butyl-dimethyl-silanyl)-3-((R)-1-hydroxy-ethyl)-4-(2-trimethylsilanyl-[1,3]dithian-2-ylmethyl)-azetidin-2-one

亚胺培南母核

4-azido-2-(bromomethyl)-6-methoxytetrahydro-2H-pyran-3-yl benzoate

methyl-3-amino-2,3,6-tridesoxy-α-D-arabino-hexopyranoside

(3S,4R)-3-[(R)-1-hydroxyethyl]-4-[(benzyloxycarbonyl)methyl]-2-azetidinone