140-87-4
氰乙酰肼
+
108-24-7
乙酸酐
→
~39%
55819-76-6
cyanoacetic 2-acetylhydrazide
75-36-5
乙酰氯
827591-44-6
rac-1-cyanoacetyl-5-hydroxy-3-methyl-5-trifluoromethyl-4,5-dihydro-1H-pyrazole
10010-93-2
3-甲基-5-三氟甲基吡唑
15119-34-3
香豆素-3腈