benzyl 4-(4-fluorophenyl)-4-hydroxypiperidine-1-carboxylate

(S)-3-(Cbz-氨基)-2-氧代氮杂烷

benzyl 2-oxo-1,3-oxazolidine-3-carboxylate

4-甲氧基-2-苯基苯乙酮

(2S,3R)-N-苄氧羰基-2,3-二苯基吗啉-6-酮