英文同义词: | 2,5-Diaminothiophene-3,4-dicarboxylic acid diethyl ester;3,4-diethyl 2,5-diaMinothiophene-3,4-dicarboxylate;Diethyl 2,5-diaMinothiophene-3,4-dicarboxylate;2,5-Diamino-3,4-thiophenedicarboxylic acid diethyl ester;3,4-Thiophenedicarboxylic acid, 2,5-diamino-, 3,4-diethyl ester |