2055722-78-4

BTH-4Sn TTCOOEt-Br 2-Bromo-thieno[3,2-b]thiophene-3-carboxylic acid ethyl 2-bromothieno[3,2-b]thiophene-3-carboxylate Ethyl 5-bromothieno[3,2-b]thiophene-6-carboxylate IN1828, Ethyl 2-bromothieno[3,2-b]thiophene-3-carboxylate Thieno[3,2-b]thiophene-3-carboxylic acid, 2-bromo-, ethyl ester