(S)-(+)-1-苄基-3-羟基哌啶

(-)-(R)-1-benzyl-3-hydroxy-1,2,3,5-tetrahydropyridine

(R)-5-羟基哌啶-2酮

3-羟基哌啶

(R)-(+)-5-bromo-2-hydroxypentanenitrile