2-(叔丁氧羰基氧亚氨基)-2-苯乙腈

(S,S)-pseudoephedrine D-pipecolinamide

2-哌啶甲酸

tert-butyl 1-(R)-2-((S)-1,2-dihydroxylethyl)piperidine-1-carboxylate

(S)-3,4,4-trimethyl-2-oxotetrahydrofuran-3-yl (S)-1-(2,2,2-trifluoroacetyl)piperidine-2-carboxylate