53695-40-2
→
54286-13-4
4-methylcyclohexane-1,1-dicarboxylic acid
2698-65-9
diethyl 4-methylcyclohex-3-ene-1,1-dicarboxylate
4457-72-1
1,5-二溴-3-甲基戊烷
+
105-53-3
丙二酸二乙酯