BIS(HEXAFLUOROISOPROPYL)ITACONATE HFIP-I bis-Hexafluoro-2-propylitaconate 2-[2,4-bis(difluoromethyl)-1,1,1,2,4,5,5,5-octafluoropentan-3-ylidene]butanedioate bis(1,1,1,3,3,3-hexafluoroprop-2-yl) 2-methylenesuccinate Bis(hexafluoroisopropyl)itaconate 95% Butanedioic acid, 2-methylene-, 1,4-bis[2,2,2-trifluoro-1-(trifluoromethyl)ethyl] ester 1,4-Bis[2,2,2-trifluoro-1-(trifluoromethyl)ethyl] 2-methylenebutanedioate