911434-04-3
(5-溴-3-硝基吡啶-2-基)丙二酸二乙酯
→
~77%
1211540-74-7
(5-溴-3-硝基吡啶-2-基)乙酸乙酯
67443-38-3
5-溴-2-氯-3-硝基吡啶
1190319-62-0
6-溴4-氮杂-吲哚-2-酮