ethyl 2-[2-(4-methylphenyl)-2-oxoethyl]-4-pentenoate
ethyl 2-[2-(4-methylphenyl)-2-oxoethyl]pent-4-enoate 2-[2-keto-2-(p-tolyl)ethyl]pent-4-enoic acid ethyl ester 2-[2-oxo-2-(p-tolyl)-ethyl]-pent-4-enoic acid ethyl ester
ethyl 2-[2-(4-methylphenyl)-2-oxoethyl]pent-4-enoat éthyle2-[2-(4-méthylphényl)-2-oxoéthyl]pent-4-enoate エチル=2-[2-(4-メチルフェニル)-2-オキソエチル]ペント-4-エノアテ
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