英文别名3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid diethyl ester; 2,5-diethyl 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylate; Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl-, 2,5-diethyl ester; ethyl 5-(ethoxycarbonyl)-3,4-dimethylthiopheno[3,2-d]thiophene-2-carboxylate 
