107-81-3
2-溴戊烷
+
105-56-6
氰乙酸乙酯
→
19823-28-0
ethyl 2-cyano-3-methylhexanoate
1086219-97-7
2-(1-Methyl-butyliden)-malonsaeure-ethylester-nitril
107-87-9
2-戊酮
759-54-6
ethyl 2-cyano-3-methylhex-2-enoate