67-56-1
甲醇
+
31468-33-4
Dihydro-3-methyl-2H-pyran-2,6(3H)-dione
→
62115-18-8
5-methoxy-2-methyl-5-oxopentanoate
26682-71-3
18069-17-5
2-甲基戊二酸
75-36-5
乙酰氯
101-83-7
十二氢二苯胺
methyl 2-(diethylamino)-3-methylcyclobut-1-enecarboxylate
82923-78-2
methyl 5-chloro-4-methyl-5-oxopentanoate