DIMETHYL PERFLUOROAZELATE DIMETHYL PERFLUORONONANE-1,9-DIOATE DIMETHYL TETRADECAFLUOROAZELATE Dimethyl perfluoroazelate 96% Dimethylperfluoroazelate96% Tetradecafluorononanedioic acid dimethyl ester Dimethyl tetradecafluorononanedioate Nonanedioic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8-tetradecafluoro-, 1,9-dimethyl ester