tert-butyl 4-(4-aminophenyl)-3,6-dihydro-2H-pyridine-1-carboxylate

tert-butyl 4-(4-nitrophenyl)-3,6-dihydro-1(2H)-pyridinecarboxylate

4-(4-benzyloxycarbonylaminophenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester

4-(4-硝基苯基)吡啶

二碳酸二叔丁酯