502764-52-5

2',3'-d]thiophene-2,5-dicarboxylic acid diethyl ester Diethyl dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxylate 2,6-Diethyl dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxylate dithieno[3,2-b:2,3-d]thiophene-2,6-dicarboxylic acid diethyl ester DITHIENO[3,2-B;2',3'-D]THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER Dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxylic acid, 2,6-diethyl ester 4,10-Diethyl 3,7,11-trithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4,9-tetraene-4,10-dicarboxylate