120-43-4
N-哌嗪甲酸乙酯
+
84257-42-1
S-ethoxycarbonyl 4-methyl-1-piperazinecarbodithioate
→
~10%
5470-28-0
diethyl piperazine-1,4-dicarboxylate
110-85-0
哌嗪
541-41-3
氯甲酸乙酯