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5-Ethyl-thiophene-2-carboxylic acid23229-72-3100 % similar 2,5-Thiophenedicarboxylic acid4282-31-963 % similar 5-Methyl-2-thiophenecarboxylic acid1918-79-256 % similar 5-Acetyl-2-thiophenecarboxylic acid4066-41-555 % similar 5-Chloro-2-thiophenecarboxylic acid24065-33-652 % similar 5-Fluorothiophene-2-carboxylic acid4377-58-652 % similar 5-Bromo-2-thiophenecarboxylic acid7311-63-952 % similar 5-(Methylsulfanyl)thiophene-2-carboxylic acid20873-58-951 % similar 5-Formyl-2-thiophenecarboxylic acid4565-31-549 % similar 5-Carboxythiophene-2-boronic acid465515-31-549 % similar 5-Phenylthiophene-2-carboxylic acid19163-24-747 % similar 4-Ethylbenzoic acid619-64-747 % similar 5-Nitro-2-thiophenecarboxylic acid6317-37-945 % similar 2-Ethylbenzoic acid612-19-144 % similar 4-(4-Ethylphenyl)benzoic acid5731-13-543 % similar 5-Ethyl-2-thiophenecarboxaldehyde36880-33-843 % similar 5-(2-Pyridyl)thiophene-2-carboxylic acid119082-97-241 % similar Thiophene-2-carboxylic acid527-72-041 % similar 5-Ethylpicolinic acid770-08-141 % similar 2-Methyl-5-thiazolecarboxylic acid40004-69-141 % similar