120-43-4
N-哌嗪甲酸乙酯
→
~89%
16013-85-7
2,6-二氯-3-硝基吡啶
+
92741-37-2
75167-21-4
ethyl 4-(6-chloro-3-nitropyridin-2-yl)piperazine-1-carboxylate
92741-38-3
~75%