542-92-7
环戊二烯
+
2446-84-6
偶氮二甲酸二甲酯
→
5510-69-0
dimethyl 2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate
866731-50-2
dimethyl azodicarboxylate