1,4-Diamino-2,3-dicyano-1,4-bis(o-aminophenylmercapto)butadiene 109511-58-2 Butanedinitrile, bis(amino((2-aminophenyl)thio)methylene)- Succinonitrile, bis(amino(o-aminophenylthio)methylene)- U 0126 U0126