Saytex bt 9332588-76-4100 % similar 1,3-Dibromo-5-octyl-4H-thieno[3,4-C]pyrrole-4,6(5H)-dione566939-58-039 % similar Tetrabromophthalic acid13810-83-839 % similar Tetrabromophthalic anhydride632-79-139 % similar 2-(4-Bromobutyl)-1H-isoindole-1,3(2H)-dione5394-18-333 % similar N-(3-Bromopropyl)phthalimide5460-29-733 % similar N-(2-Hydroxyethyl)phthalimide3891-07-431 % similar