Tetrachlorophthalic anhydride117-08-8100 % similar Dimethyl tetrachloroterephthalate1861-32-152 % similar 3,6-Dichlorophthalic anhydride4466-59-552 % similar Tetrachlorophthalic acid632-58-644 % similar Tetrabromophthalic anhydride632-79-144 % similar Tetrafluorophthalic anhydride652-12-044 % similar 3-Chlorophthalic anhydride117-21-543 % similar 2,3,5,6-Tetrachloro-1,4-benzenedicarbonyl dichloride719-32-442 % similar 4,5-Dichlorophthalic anhydride942-06-341 % similar Chlorthal2136-79-040 % similar 4,5,6,7-Tetrachloro-2-methyl-1H-isoindole-1,3(2H)-dione14737-80-539 % similar 3-Iodophthalic anhydride28418-88-438 % similar 3-Hydroxyphthalic anhydride37418-88-538 % similar 3-Methylphthalic anhydride4792-30-738 % similar 3-Fluorophthalic anhydride652-39-138 % similar 4-Chlorophthalic anhydride118-45-635 % similar Tetrachlorophthalimide1571-13-735 % similar Naphthalenetetracarboxylic dianhydride81-30-135 % similar Phthalic anhydride85-44-935 % similar Hexachlorobenzene118-74-133 % similar