1,3-Dioxolane-2-carbonyl fluoride, 4,4,5-trifluoro-2,5-bis(trifluoromethyl)- 4,4,5-Trifluoro-2,5-bis(trifluoromethyl)-1,3-dioxolane-2-carbonyl fluoride 7385-65-1 EINECS 230-965-5