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