50-00-0
甲醛
+
105-53-3
丙二酸二乙酯
→
~96%
20605-01-0
双羟甲基丙二酸二乙酯
23904-38-3
hydroxymethyl-malonic acid diethyl ester
56-23-5
四氯化碳
51335-75-2
diethyl 2,2-dimethyl-1,3-dioxane-5,5-dicarboxylate