(2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene)propanedinitrile 1113-69-5 Malononitrile, (trifluoro-1-(trifluoromethyl)ethylidene)- (8CI) Propanedinitrile, (2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)-