504-29-0
2-氨基吡啶
+
2516-96-3
2-氯-5-硝基苯甲酸
→
~77%
37447-20-4
2-nitropyrido[2,1-b]quinazolin-11-one
709-46-6
2-fluoro-5-nitrobenzoyl chloride
~40%