Synonyms: 1-(4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 1;1-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoriundecyl)-3,1-benzoxazin;1-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoriundecyl)-3,1-benzoxazine-2,4(1h)-dione;1-(1H,1H,2H,2H,3H,3H-Perfluoroundecyl)-3,1-benzoxazine-2,4(1H)-dione, 1-[3-(Perfluorooctyl)propyl]-3,1-benzoxazine-2,4(1H)-dione