2-(3-氨基吡啶-2-基)乙酸乙酯

2-氯-3-硝基吡啶

2-(3-硝基吡啶-2-基)丙二酸二乙酯

2-(3-硝基吡啶-2-基)乙酸乙酯

2-bis(benzyloxycarbonyl)methyl-3-nitropyridine