1-(7-(Dimethylamino)-4-methyl-2-oxo-2H-1-benzopyran-3-yl)-1H-pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 1-(7-(dimethylamino)-4-methyl-2-oxo-2H-1-benzopyran-3-yl)- 55145-14-7 EINECS 259-499-0 N-(4-Methyl-7-dimethylamino-3-coumarinyl)maleimide N-(7-Dimethylamino-4-methylcoumarinyl)maleimide