108173-53-1 2-(7-(Diethylamino)-2-oxo-2H-1-benzopyran-3-yl)quinazolin-4(1H)-one 2-(7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-4(1H)-quinazolinone 28754-28-1 4(1H)-Quinazolinone, 2-(7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)- EINECS 249-200-1