5369-63-1
ethyl 3,3-dimethyloxirane-2-carboxylate
→
~85%
33537-17-6
α-羟基异戊烯酸乙酯
105803-11-0
ethyl 3-methyl-4-(phenylselanyl)but-2-enoate
~71%
+
108-24-7
乙酸酐
20201-24-5
3-甲基-2-氧代丁酰乙酯