69892-18-8
dimethyl 2-formylmalonate
→
38238-77-6
dimethyl 2-(chloromethylidene)propanedioate
67-68-5
二甲基亚砜
+
108-59-8
丙二酸二甲酯
27931-91-5
dimethyl 2-(hydroxymethylidene)propanedioate
19393-45-4
dimethyl (E)-2-chlorobut-2-enedioate
381725-02-6
dimethyl 2-(but-2-enoxymethylidene)propanedioate