ethyl 6-methyl-3-oxo-6-heptenoate
ethyl 6-methyl-3-oxohept-6-enoate 3-keto-6-methyl-hept-6-enoic acid ethyl ester 6-methyl-3-oxo-hept-6-enoic acid ethyl ester
ethyl 6-methyl-3-oxohept-6-enoat éthyle6-méthyl-3-oxohept-6-enoate エチル=6-メチル-3-オキソヘプト-6-エノアテ
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