26513-90-6 2H-1,3-Benzoxazine-2,4(3H)-dione, 3-(2-(diethylamino)ethyl)- 3-(2-(Diethylamino)ethyl)-2H-1,3-benzoxazine-2,4(3H)-dione LETIMIDE Letimida [INN-Spanish] Letimidum [INN-Latin]