((2,4-Dibromo-6-ethylphenyl)hydrazono)propanedinitrile 64692-09-7 BRN 0666023 Mesoxalonitrile, (2,4-dibromo-6-ethylphenyl)hydrazone Propanedinitrile, ((2,4-dibromo-6-ethylphenyl)hydrazono)-