硫酸氢钾

盐酸-4-哌啶酮-3-羧酸乙酯

1-Boc-4-氧-3-哌啶羧酸乙酯

槟榔碱

methyl N-2,2,2-trichloroethyloxycarbonyl-1,2,5,6-tetrahydropyridine-3-carboxylate