11641 Yellow 1H-Indene-1,3(2H)-dione, 2-(2-quinolinyl)- 2-(2-Quinolyl)-1,3-indandione 2-(2-Quinolyl)-1,3-indanedione 83-08-9 Erio Chinoline Yellow 4G NSC7503 Quinoline Yellow 2SF Quinophthalone