1H-Indene-1,3(2H)-dione, 2-(((2-methylpropyl)amino)methylene)- 2-(((2-Methylpropyl)amino)methylene)-1H-indene-1,3(2H)-dione 74177-70-1 COR 3754 Isobutylaminomethylene-2 indanedione-1,3 [French]