1,3-Benzenedicarboxylic acid, 5-bromo-, 1,3-dimethyl ester (CAS NO.51760-21-5) is also called as 5-Bromoisophthalic acid, dimethyl ester ; Dimethyl 5-bromoisophthalate ; 1,3-Benzenedicarboxylic acid, 5-bromo-, dimethyl ester .