17003-79-1 Bis(2,2-dinitro-2-fluoroethyl)formal Bis(2-fluoro-2,2-dinitroethoxy)methane Bis(2-fluoro-2,2-dinitroethyl)formal Ethane, 1,1'-[methylenebis(oxy)]bis[2-fluoro-2,2-dinitro- FEFO Formaldehyde bis(2-fluoro-2,2-dinitroethyl) acetal Methane, bis(2-fluoro-2,2-dinitroethoxy)- NSC312448