24330-53-8
2-methylpropane-1,3-diol di-p-toluenesulphonate
+
105-53-3
丙二酸二乙酯
→
~56%
20939-62-2
diethyl 3-methylcyclobutane-1,1-dicarboxylate
6974-77-2
1-溴-3-氯-2-甲基丙烷