31185-66-7 5-19-09-00136 (Beilstein Handbook Reference) BRN 1373494 Orthopropionic acid, pentafluoro-, cyclic ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (1:1) Pentafluoroorthopropionic acid cyclic ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol