1H-Indene-1,3(2H)-dione, 2-(ar,4-dibromo-3-hydroxy-2(1H)-quinolinylidene)- 2-(ar,4-Dibromo-3-hydroxy-1H-quinolin-2-ylidene)-1H-indene-1,3(2H)-dione 4,x-Dibromo-3-hydroxyquinaphthalone 70701-76-7 EINECS 274-782-9