m-Benzenedisulfonicacid, 2,5-diamino- (7CI,8CI); 1,4-Diamino-2,6-benzenedisulfonic acid;1,4-Phenylenediamine-2,6-disulfonic acid; 2,5-Diamino-1,3-benzenedisulfonicacid; p-Phenylenediamine-2,6-disulfonic acid
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