30680-84-3
1-甲基-2-氧代环戊基甲酸甲酯
→
~30%
85757-66-0
methyl 2-methyl-6-oxohex-2-enoate
+
85757-67-1
(2E)-2-methyl-6-oxo-hex-2-enoic acid methyl ester