13246-52-1 2,4-Dioxohexanoic acid, ethyl ester EINECS 236-228-4 Ethyl 2,4-diketocaproate Ethyl 2,4-dioxohexanoate Ethyl beta-propionylpyruvate FEMA No. 3278 Hexanoic acid, 2,4-dioxo-, ethyl ester