1(3H)-Isobenzofuranone, 3,3-bis(3,5-dibromo-4-hydroxyphenyl)- 3',3'',5',5''-Tetrabromophenolphthalein 3,3-Bis(3,5-dibromo-4-hydroxyphenyl)-1(3H)-isobenzofuranone 3,3-Bis(3,5-dibromo-4-hydroxyphenyl)phthalide 76-62-0 EINECS 200-974-9 NSC 21261 Phenolphthalein, 3',3'',5',5''-tetrabromo- (8CI) Tetrabromophenolphthalein Tetrabromophenolphthalein (VAN)