1,1-dimethylethyl 4-hydroxy-4-(3-hydroxypropynyl)-1-piperidinecarboxylate

tert-butyl 4-[3-[[tert-butyl(dimethyl)silyl]oxy]propyl]-4-hydroxypiperidine-1-carboxylate

1-氧-8-N-BOC-氮螺[4,5]癸烷-2-酮

N-叔丁氧羰基-4-哌啶酮

4-(3-乙氧基-3-氧代-1-丙炔-1-基)-4-羟基-1-哌啶羧酸 1,1-二甲基乙酯