1H-Naphtho(2,1-b)pyran-1-one, 3-(diethylamino)-5-methoxy-2-(4-morpholinylmethyl)- 3-(Diethylamino)-5-methoxy-2-(4-morpholinylmethyl)-1H-naphtho(2,1-b)pyran-1-one 58492-79-8 BRN 1173545 K 12106