2,5-Thiophenedicarboxylicacid, 3,4-dihydroxy-, dimethyl ester (6CI,9CI);Dimethyl 3,4-dihydroxythiophene-2,5-dicarboxylate;NSC 506238;2,5-Thiophenedicarboxylicacid, 3,4-dihydroxy-, 2,5-dimethyl ester;
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