1,1,1,3,3,3-Hexafluoro-2-(fluoromethoxy)propane; Fluoromethyl 1,1,1,3,3,3-Hexafluoro-2-propyl Ether; Fluoromethyl 1,1,1,3,3,3-Hexafluoroisopropyl Ether; Sevocris; Sevoflo; Sevofluran; Sevoflurane; Sevofrane; Sevorane; Ultane; Propane, 1,1,1,3,3,3-hexafluoro-2-(fluoromethoxy)-;Fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether (USP)