1,1,1,3,3,3-Hexafluoro-2-methoxypropane;Methyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl Ether; 1,1,1,3,3,3-Hexafluoroisopropyl Methyl Ether; 1-(Trifluoromethyl)-2,2,2-trifluoroethyl Methyl Ether;Methyl 1-(Trifluoromethyl)-2,2,2-trifluoroethyl Ether; Sevoflurane Related Compound B