14619-86-4 2-Oxo-delta(sup 1),alpha-acenaphthenemalononitrile 2-Oxo-delta(sup1),alpha-acenaphthenemalononitrile BRN 2973830 NSC 92322 Propanedinitrile, (2-oxo-1(2H)-acenaphthylenylidene)- (9CI) delta(sup 1),alpha-Acenaphthenemalononitrile, 2-oxo-