1931-63-1
9-氧代壬酸甲酯
+
106-65-0
丁二酸二甲酯
→
88339-90-6
12-methoxy-3-methoxycarbonyl-12-oxododec-3-enoate
64996-86-7
methyl 8-(5-oxooxolan-2-yl)octanoate
5239-43-0
7-(5-oxocyclopenten-1-yl)heptanoic acid