1,1-Dicyano-2-(2-furyl)ethylene 2-Furfurylidenemalononitrile 3237-22-7 F 2375 Furfural-malonitril [German] Furfurylidenemalononitrile MALONONITRILE, FURFURYLIDENE- NSC 1333 Propanedinitrile, (2-furanylmethylene)- (9CI) RGW 904