67-56-1
甲醇
+
26430-98-8
4-Isopropyliden-heptandisaeure
→
16981-92-3
dimethyl 4-propan-2-ylideneheptanedioate
16981-93-4
methyl 2-oxo-5-propan-2-ylidenecyclohexane-1-carboxylate