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Thieno(3,2-b)thiophene-2-carboxylic acid1723-27-9100 % similar Dithieno[3,2-b:2′,3′-d]thiophene-2,6-dicarboxylic acid502764-53-656 % similar Benzo[b]thiophene-2-carboxylic acid6314-28-954 % similar 2,5-Thiophenedicarboxylic acid4282-31-950 % similar 6-Bromobenzo[b]thiophene-2-carboxylic acid19075-58-249 % similar 4-Bromo-benzo[B]thiophene-2-carboxylic acid5194-37-649 % similar 5-Fluorobenzo[b]thiophene-2-carboxylic acid70060-13-849 % similar Thiophene-2-carboxylic acid527-72-048 % similar 4,5-Dimethyl-2-thiophenecarboxylic acid40808-24-043 % similar 4,5-Dibromo-2-thiophenecarboxylic acid6324-10-343 % similar 7-Chlorobenzo[b]thiophene-2-carboxylic acid90407-16-243 % similar 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid40133-07-142 % similar 5-Methyl-2-thiophenecarboxylic acid1918-79-242 % similar 5-Chloro-2-thiophenecarboxylic acid24065-33-642 % similar 5-Fluorothiophene-2-carboxylic acid4377-58-642 % similar 5-Bromo-2-thiophenecarboxylic acid7311-63-942 % similar Thieno[2,3-b]pyridine-2-carboxylic acid59944-76-241 % similar 4-Methyl-2-thiophenecarboxylic acid14282-78-141 % similar 4-Bromo-2-thiophenecarboxylic acid16694-18-141 % similar 3-Methyl-2-thiophenecarboxylic acid23806-24-841 % similar