1885-22-9
2-溴丙二腈
+
141-97-9
乙酰乙酸乙酯
→
~77%
14476-67-6
ethyl 5-amino-4-cyano-2-methylfuran-3-carboxylate
109-77-3
丙二腈
609-15-4
2-氯乙酰乙酸乙酯