2-(Dibutylamino)-8-(diethylamino)-4-methylspiro(5H-(1)benzopyrano(2,3-d)pyrimidine-5,1'(3'H)-isobenzofuran)-3'-one 85117-97-1 EINECS 285-648-4 Spiro(5H-(1)benzopyrano(2,3-d)pyrimidine-5,1'(3'H)-isobenzofuran)-3'-one, 2-(dibutylamino)-8-(diethylamino)-4-methyl-