4-苯氨基-哌啶

4-氨基吡啶

4-氨基-1-(5-乙氧基羰基吡啶-2-基)哌啶

1-Boc-4-氨基哌啶

tert-Butyl 4-(4-amino-2-fluorophenyl)tetrahydro-1(2H)-pyrazinecarboxylate