0-11-00-00407 (Beilstein Handbook Reference) 1,3-Benzenedicarboxylic acid, 5-sulfo- 22326-31-4 5-Sulfo-1,3-benzenedicarboxylic acid 5-Sulfoisophthalic acid 5-Sulphoisophthalic acid BRN 2742173 EINECS 244-912-9 Isophthalic acid, 5-sulfo- (6CI,7CI,8CI) Kyselina 3,5-dikarboxybenzensulfonova [Czech]