1-Propene, 1,1,3,3,3-pentafluoro-2-(fluoromethoxy)- 1-Propene, 2-(fluoromethoxy)-1,1,3,3,3-pentafluoro- 2-(Fluoromethoxy)-1,1,3,3,3-pentafluoro-1-propene 58109-34-5 Fluoromethyl 2,2-difluoro-1-(trifluoromethyl)vinyl ether