(1,3-dimethylimidazolidin-2-ylidene)malononitrile 1,3-Dimethyl-6,6-dicyanoimidazoliden-ethylene InChI=1/C8H10N4/c1-11-3-4-12(2)8(11)7(5-9)6-10/h3-4H2,1-2H propanedinitrile, (1,3-dimethyl-2-imidazolidinylidene)-