38624-62-3
ethyl 3-chlorobut-2-enoate
+
108-95-2
苯酚
→
57422-37-4
ethyl 3-phenoxybut-2-enoate
139-02-6
苯酚钠
6127-92-0
E-Ethyl β-chlorocrotonate
6127-93-1
3-chlorocrotonic acid ethyl ester