SEARCH Articles Figures Tables 4,4- pentanoate esters PENTANOIC ACID, 4-METHYL-3-OXO ETHYL ESTER Pentanoate Pentanoic acid Pentanoic acid, 3-diazo-2,4-dioxomethyl ester Pentanoic acid, 3-diazo-2,4-dioxomethyl ester Wolff rearrangement Pentanoic acid, 5-bromo-, esters