20605-01-0
双羟甲基丙二酸二乙酯
→
~58%
41459-42-1
3-溴-2-溴甲基丙酸
130034-47-8
~47%
27243-23-8
.α.-Bromocrotonic acid
+
4370-80-3
2-(hydroxymethyl)prop-2-enoic acid