108-94-1
环己酮
+
105-56-6
氰乙酸乙酯
→
42940-52-3
3-methyl-2,4-dioxo-3-azaspiro[5.5]undecane-1,5-dicarbonitrile
4355-15-1
2,4-dioxo-3-azaspiro[5.5]undecane-1,5-dicarbonitrile
74-88-4
甲基碘
4355-11-7
1,1-环己基二乙酸