1,4-Benzenedicarbonyl dichloride, 2,3,5,6-tetrachloro- 2,3,5,6-TETRACHLOROTEREPHTHALOYL CHLORIDE 2,3,5,6-Tetrachloroterephthaloyl dichloride 719-32-4 EINECS 211-947-6 HSDB 5749 Perchloroterephthaloyl chloride Terephthaloyl chloride, tetrachloro- Tetrachloroterephthalic dichloride Tetrachloroterephthaloyl chloride Tetrachloroterephthaloyl dichloride