3-Pentanone,1,1,1,2,4,5,5,5-octafluoro-2,4-bis[[2,3,5,5,6-pentafluoro-3,6-bis(trifluoromethyl)-1,4-dioxan-2-yl]oxy]-(9CI), 1,1,1,2,4,5,5,5-Octafluoro-2,4-bis((2,3,5,5,6-pentafluoro-3,6-bis(trifluoromethyl)-1,4-dioxan-2-yl)oxy)pentan-3-one, EINECS 262-604-2,