((2,6-Bis(1-methylethyl)-4-bromophenyl)hydrazono)propanedinitrile 64692-08-6 BRN 0671469 Mesoxalonitrile, (4-bromo-2,6-diisopropylphenyl)hydrazone Propanedinitrile, ((2,6-bis(1-methylethyl)-4-bromophenyl)hydrazono)-