623-73-4
重氮乙酸乙酯
+
110-62-3
正戊醛
→
~87%
92945-27-2
3-正丙基吡唑-5-甲酸乙酯
80540-58-5
p-nitrophenyl 2-cyano-3-(p-methoxyphenyl)propenoate
107-87-9
2-戊酮
36983-31-0
2,4-二羰基庚酸乙酯