55130-14-8
2,2,4-trimethyl-5,6-dihydro-2H-pyran
+
76-02-8
三氯乙酰氯
→
92958-26-4
7,7-dichloro-2,2,6-trimethyl-3-oxabicyclo[4.2.0]octan-8-one
76946-39-9
2,2,6-trimethyl-3-oxabicyclo[4.2.0]octane-4,8-dione