Dodecyl 4,6-dibromothieno[3,4-b]thiophene-2-carboxylate
Octyl 4,6-dibromothieno[3,4-b]thiophene-2-carboxylate
2-Ethylhexyl 4,6-dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate
Methyl thieno[3,4-b]thiophene-2-carboxylate
4,6-Dibromothieno[3,4-b]thiophene-2-carboxylic acid
