23268-03-3
4-methoxy-2-methyl-4-oxobutanoate
→
~96%
82923-97-5
3-甲氧基羰基-2-甲基-丙酸氯
77044-59-8
(E)-3-methoxycarbonyl-2-methylacrylic acid
21307-96-0
+
59700-83-3
methyl 4-chloro-2-methyl-4-oxobutanoate
97-65-4
亚甲基琥珀酸
7338-27-4
衣康酸单甲酯