4-02-00-01899 (Beilstein Handbook Reference) 685-88-1 BRN 1775686 Diethyl fluoromalonate Diethyl fluoropropanedioate EINECS 211-684-7 Fluoromalonic acid diethyl ester MALONIC ACID, FLUORO-, DIETHYL ESTER NSC 521723 Propanedioic acid, fluoro-, diethyl ester (9CI)