31185-68-9 5-19-09-00139 (Beilstein Handbook Reference) BRN 1383586 Heptafluoroorthobutyric acid cyclic ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (1:1) Orthobutyric acid, heptafluoro-, cyclic ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (1:1)