356-27-4 4-02-00-00813 (Beilstein Handbook Reference) AI3-52654 BRN 1794634 BUTYRIC ACID, HEPTAFLUORO-, ETHYL ESTER Butanoic acid, heptafluoro-, ethyl ester EINECS 206-602-1 Ethyl heptafluorobutanoate Ethyl heptafluorobutyrate Ethyl perfluorobutanoate Ethyl perfluorobutyrate Heptafluorobutyric acid ethyl ester NSC 3639