((4-(Bis(2-hydroxyethyl)amino)-2-methylphenyl)methylene)malononitrile 2-((4-(Bis(2-hydroxyethyl)amino)-2-methylphenyl)methylene)propanedinitrile 25665-01-4 EINECS 247-172-5 Propanedinitrile, ((4-(bis(2-hydroxyethyl)amino)-2-methylphenyl)methylene)-