109-01-3
N-甲基哌嗪
+
4548-45-2
2-氯-5-硝基吡啶
→
~94%
55403-34-4
2-(4-甲基-1-哌嗪基)-5-硝基吡啶
28080-54-8
2-碘-5-硝基吡啶
~88%
4487-59-6
2-溴-5-硝基吡啶
~10%