1H-Pyrrole-2,5-dione, 1-[4-(dimethylamino)-3,5-dinitrophenyl]- 3475-74-9 Maleimide, N-[4-(dimethylamino)-3,5-dinitrophenyl]- N-(4-Dimethylamino-3,5-dinitrophenyl)maleimide NSC90450