105544-30-7
2-(5-溴-3-硝基-2-吡啶氧基)乙酸乙酯
→
~85%
105544-36-3
7-溴-1H-吡咯并[2,3-B][1,4]恶嗪-2(3H)-酮
227963-72-6
~52%
67443-38-3
5-溴-2-氯-3-硝基吡啶