91459-47-1
5-amino-3-azido-1,2,4-triazine-6-carbonitrile
→
~89%
88796-54-7
3,5-dioxo-2H-1,2,4-triazine-6-carbonitrile
4956-05-2
5-溴-6-氮尿嘧啶
+
544-92-3
氰化亚铜