Synonyms: PERFLUORO-2,5,8,11-TETRAMETHYL-3,6,9,12-TETRAOXAPENTADECANOIC ACID, METHYL ESTER;HFPO PENTAMER ACID METHYL ESTER;HFPO PENTAMER, METHYL ESTER;METHYL PERFLUORO-2,5,8,11-TETRAMETHYL-3,6,9,12-TETRAOXAPENTADECANOATE;Perfluorotetramethyltetraoxapentadecanoicacidme;Methyl perfluoro-2,5,8,11-tetramethyl-3,6,9,12-tetraoxapentadecanoate 97%;Methylperfluoro-2,5,8,11-tetramethyl-3,6,9,12-tetraoxapentadecanoate97%