benzyl (3aS,7aS)-2-(bromomethyl)hexahydrofuro[3,2-b]pyridine-4(2H)-carboxylate

(3As,7as)-苄基2-(溴甲基)-2-甲氧基六氢呋喃并[3,2-b]吡啶-4(2H)-羧酸

(2S,3S)-2-[2-oxo-3-(4-oxo-4H-quinazolin-3-yl)propyl]-3-methoxymethoxypiperidine-1-carboxylic acid tert-butyl ester

cis-(3S)-3-benzyloxy-2-benzyloxycarbonylaminotetrahydropyran

4-羟基喹唑啉