4-[3-(tert-butoxycarbonylaminomethyl)phenyl]piperidine acetic acid salt

4-[3-(tert-butoxycarbonylaminomethyl)phenyl]piperidine p-toluenesulfonic acid salt

2-trimethylsilylethyl 4-(3-cyanophenyl)-3,6-dihydro-2H-pyridine-1-carboxylate

2-(Trimethylsilyl)ethyl 4-(((trifluoromethyl)sulfonyl)oxy)-5,6-dihydropyridine-1(2H)-carboxylate

二碳酸二叔丁酯